1499573649672 has 48 divisors (see below), whose sum is σ = 4641537488640. Its totient is φ = 428449614048.

The previous prime is 1499573649661. The next prime is 1499573649733. The reversal of 1499573649672 is 2769463759941.

1499573649672 is a `hidden beast` number, since 1 + 4 + 9 + 9 + 573 + 6 + 49 + 6 + 7 + 2 = 666.

It is a super-2 number, since 2×1499573649672² (a number of 25 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1499573649672.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1487671768 + ... + 1487672775.

It is an arithmetic number, because the mean of its divisors is an integer number (96698697680).

Almost surely, 2^{1499573649672} is an apocalyptic number.

1499573649672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1499573649672 is an abundant number, since it is smaller than the sum of its proper divisors (3141963838968).

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

1499573649672 is a wasteful number, since it uses less digits than its factorization.

1499573649672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975344562 (or 2975344555 counting only the distinct ones).

The product of its digits is 617258880, while the sum is 72.

The spelling of 1499573649672 in words is "one trillion, four hundred ninety-nine billion, five hundred seventy-three million, six hundred forty-nine thousand, six hundred seventy-two".