999259582463 has 32 divisors (see below), whose sum is σ = 1103002560000. Its totient is φ = 901461851136.

The previous prime is 999259582427. The next prime is 999259582501. The reversal of 999259582463 is 364285952999.

It is a cyclic number.

It is not a de Polignac number, because 999259582463 - 2²⁰ = 999258533887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999258582463) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 10572188 + ... + 10666286.

It is an arithmetic number, because the mean of its divisors is an integer number (34468830000).

Almost surely, 2^999259582463 is an apocalyptic number.

999259582463 is a deficient number, since it is larger than the sum of its proper divisors (103742977537).

999259582463 is a wasteful number, since it uses less digits than its factorization.

999259582463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94431.

The product of its digits is 377913600, while the sum is 71.

The spelling of 999259582463 in words is "nine hundred ninety-nine billion, two hundred fifty-nine million, five hundred eighty-two thousand, four hundred sixty-three".