538725997536 has 24 divisors (see below), whose sum is σ = 1414155743784. Its totient is φ = 179575332480.

The previous prime is 538725997531. The next prime is 538725997541. The reversal of 538725997536 is 635799527835.

It is an interprime number because it is at equal distance from previous prime (538725997531) and next prime (538725997541).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538725997531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805864475 + ... + 2805864666.

It is an arithmetic number, because the mean of its divisors is an integer number (58923155991).

Almost surely, 2^538725997536 is an apocalyptic number.

It is an amenable number.

538725997536 is an abundant number, since it is smaller than the sum of its proper divisors (875429746248).

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

538725997536 is a wasteful number, since it uses less digits than its factorization.

538725997536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611729154 (or 5611729146 counting only the distinct ones).

The product of its digits is 428652000, while the sum is 69.

The spelling of 538725997536 in words is "five hundred thirty-eight billion, seven hundred twenty-five million, nine hundred ninety-seven thousand, five hundred thirty-six".