18701337852842 has 16 divisors (see below), whose sum is σ = 29704811209920. Its totient is φ = 8799833611968.

The previous prime is 18701337852829. The next prime is 18701337852877. The reversal of 18701337852842 is 24825873310781.

It is a super-2 number, since 2×18701337852842² (a number of 27 digits) contains 22 as substring.

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, 24492398 + ... + 25244409.

It is an arithmetic number, because the mean of its divisors is an integer number (1856550700620).

Almost surely, 2^{18701337852842} is an apocalyptic number.

18701337852842 is a deficient number, since it is larger than the sum of its proper divisors (11003473357078).

18701337852842 is a wasteful number, since it uses less digits than its factorization.

18701337852842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49747885.

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 18701337852842 in words is "eighteen trillion, seven hundred one billion, three hundred thirty-seven million, eight hundred fifty-two thousand, eight hundred forty-two".