999931274452 has 48 divisors (see below), whose sum is σ = 1915072790400. Its totient is φ = 453061065600.

The previous prime is 999931274449. The next prime is 999931274479. The reversal of 999931274452 is 254472139999.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17392618 + ... + 17450014.

It is an arithmetic number, because the mean of its divisors is an integer number (39897349800).

Almost surely, 2^999931274452 is an apocalyptic number.

It is an amenable number.

999931274452 is a deficient number, since it is larger than the sum of its proper divisors (915141515948).

999931274452 is a wasteful number, since it uses less digits than its factorization.

999931274452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58672 (or 58670 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 64.

The spelling of 999931274452 in words is "nine hundred ninety-nine billion, nine hundred thirty-one million, two hundred seventy-four thousand, four hundred fifty-two".