42637968854 has 32 divisors (see below), whose sum is σ = 69724809504. Its totient is φ = 19437949440.

The previous prime is 42637968847. The next prime is 42637968899. The reversal of 42637968854 is 45886973624.

It is a Curzon number.

It is a congruent number.

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, 836069 + ... + 885599.

It is an arithmetic number, because the mean of its divisors is an integer number (2178900297).

Almost surely, 2^42637968854 is an apocalyptic number.

42637968854 is a deficient number, since it is larger than the sum of its proper divisors (27086840650).

42637968854 is a wasteful number, since it uses less digits than its factorization.

42637968854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49952.

The product of its digits is 69672960, while the sum is 62.

The spelling of 42637968854 in words is "forty-two billion, six hundred thirty-seven million, nine hundred sixty-eight thousand, eight hundred fifty-four".