538021854360736 has 48 divisors (see below), whose sum is σ = 1096284211626240. Its totient is φ = 259646260285440.

The previous prime is 538021854360701. The next prime is 538021854360787. The reversal of 538021854360736 is 637063458120835.

It is a super-3 number, since 3×538021854360736³ (a number of 45 digits) contains 333 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, 715139521 + ... + 715891456.

It is an arithmetic number, because the mean of its divisors is an integer number (22839254408880).

Almost surely, 2^{538021854360736} is an apocalyptic number.

It is an amenable number.

538021854360736 is an abundant number, since it is smaller than the sum of its proper divisors (558262357265504).

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

538021854360736 is a wasteful number, since it uses less digits than its factorization.

538021854360736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431031397 (or 1431031389 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 538021854360736 in words is "five hundred thirty-eight trillion, twenty-one billion, eight hundred fifty-four million, three hundred sixty thousand, seven hundred thirty-six".