538037691500 has 48 divisors (see below), whose sum is σ = 1185473330496. Its totient is φ = 213310496000.

The previous prime is 538037691487. The next prime is 538037691523. The reversal of 538037691500 is 5196730835.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 4704896 + ... + 4817895.

It is an arithmetic number, because the mean of its divisors is an integer number (24697361052).

Almost surely, 2^538037691500 is an apocalyptic number.

538037691500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

538037691500 is an abundant number, since it is smaller than the sum of its proper divisors (647435638996).

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

538037691500 is a wasteful number, since it uses less digits than its factorization.

538037691500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522923 (or 9522911 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 538037691500 in words is "five hundred thirty-eight billion, thirty-seven million, six hundred ninety-one thousand, five hundred".