999634054003488 has 54 divisors (see below), whose sum is σ = 2842710866910369. Its totient is φ = 333211172481792.

The previous prime is 999634054003477. The next prime is 999634054003499. The reversal of 999634054003488 is 884300450436999.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

999634054003488 is a `hidden beast` number, since 9 + 9 + 9 + 6 + 3 + 40 + 540 + 0 + 34 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (999634054003477) and next prime (999634054003499).

It can be written as a sum of positive squares in 2 ways, for example, as 615852319242384 + 383781734761104 = 24816372^2 + 19590348^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=22356588.

It is a super-2 number, since 2×999634054003488² (a number of 31 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 535626588 + ... + 537489636.

Almost surely, 2^{999634054003488} is an apocalyptic number.

It is an amenable number.

999634054003488 is an abundant number, since it is smaller than the sum of its proper divisors (1843076812906881).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999634054003488 is an frugal number, since it uses more digits than its factorization.

999634054003488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726114 (or 1863054 counting only the distinct ones).

The product of its (nonzero) digits is 806215680, while the sum is 72.

999634054003488 divided by its sum of digits (72) gives a square (13883806305604 = 3726098²).

The spelling of 999634054003488 in words is "nine hundred ninety-nine trillion, six hundred thirty-four billion, fifty-four million, three thousand, four hundred eighty-eight".