999997403926952 has 32 divisors (see below), whose sum is σ = 1956518367912000. Its totient is φ = 478259210440704.

The previous prime is 999997403926933. The next prime is 999997403926991. The reversal of 999997403926952 is 259629304799999.

It is a Harshad number since it is a multiple of its sum of digits (92).

It is a pancake number, because a pancake can be divided into 999997403926952 parts by 44721301 straight cuts.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354256424 + ... + 357068072.

It is an arithmetic number, because the mean of its divisors is an integer number (61141198997250).

Almost surely, 2^{999997403926952} is an apocalyptic number.

999997403926952 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

999997403926952 is a deficient number, since it is larger than the sum of its proper divisors (956520963985048).

999997403926952 is a wasteful number, since it uses less digits than its factorization.

999997403926952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744625 (or 4744621 counting only the distinct ones).

The product of its (nonzero) digits is 48212327520, while the sum is 92.

The spelling of 999997403926952 in words is "nine hundred ninety-nine trillion, nine hundred ninety-seven billion, four hundred three million, nine hundred twenty-six thousand, nine hundred fifty-two".