18976902642 has 32 divisors (see below), whose sum is σ = 43068153600. Its totient is φ = 6191045424.

The previous prime is 18976902611. The next prime is 18976902671. The reversal of 18976902642 is 24620967981.

It is a super-3 number, since 3×18976902642³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3736017 + ... + 3741092.

It is an arithmetic number, because the mean of its divisors is an integer number (1345879800).

Almost surely, 2^18976902642 is an apocalyptic number.

18976902642 is an abundant number, since it is smaller than the sum of its proper divisors (24091250958).

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

18976902642 is a wasteful number, since it uses less digits than its factorization.

18976902642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7477167 (or 7477161 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 18976902642 in words is "eighteen billion, nine hundred seventy-six million, nine hundred two thousand, six hundred forty-two".