537431694738 has 32 divisors (see below), whose sum is σ = 1079325668736. Its totient is φ = 178401086208.

The previous prime is 537431694727. The next prime is 537431694791. The reversal of 537431694738 is 837496134735.

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, 2291370 + ... + 2515002.

It is an arithmetic number, because the mean of its divisors is an integer number (33728927148).

Almost surely, 2^537431694738 is an apocalyptic number.

537431694738 is an abundant number, since it is smaller than the sum of its proper divisors (541893973998).

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

537431694738 is a wasteful number, since it uses less digits than its factorization.

537431694738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225298.

The product of its digits is 45722880, while the sum is 60.

The spelling of 537431694738 in words is "five hundred thirty-seven billion, four hundred thirty-one million, six hundred ninety-four thousand, seven hundred thirty-eight".