42571892738 has 8 divisors (see below), whose sum is σ = 64131907788. Its totient is φ = 21194590144.

The previous prime is 42571892681. The next prime is 42571892743. The reversal of 42571892738 is 83729817524.

It can be written as a sum of positive squares in 2 ways, for example, as 33398659009 + 9173233729 = 182753^2 + 95777^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45677531 + ... + 45678462.

Almost surely, 2^42571892738 is an apocalyptic number.

42571892738 is a deficient number, since it is larger than the sum of its proper divisors (21560015050).

42571892738 is a wasteful number, since it uses less digits than its factorization.

42571892738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91356228.

The product of its digits is 6773760, while the sum is 56.

The spelling of 42571892738 in words is "forty-two billion, five hundred seventy-one million, eight hundred ninety-two thousand, seven hundred thirty-eight".