538537065700 has 18 divisors (see below), whose sum is σ = 1168625432786. Its totient is φ = 215414826240.

The previous prime is 538537065643. The next prime is 538537065791. The reversal of 538537065700 is 7560735835.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 191066900544 + 347470165156 = 437112^2 + 589466^2 .

It is a super-2 number, since 2×538537065700² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2692685229 + ... + 2692685428.

Almost surely, 2^538537065700 is an apocalyptic number.

538537065700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

538537065700 is an abundant number, since it is smaller than the sum of its proper divisors (630088367086).

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

538537065700 is a wasteful number, since it uses less digits than its factorization.

538537065700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385370671 (or 5385370664 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 49.

The spelling of 538537065700 in words is "five hundred thirty-eight billion, five hundred thirty-seven million, sixty-five thousand, seven hundred".