538544872137 has 16 divisors (see below), whose sum is σ = 719807280192. Its totient is φ = 358156639680.

The previous prime is 538544872067. The next prime is 538544872141. The reversal of 538544872137 is 731278445835.

It is a happy number.

It is not a de Polignac number, because 538544872137 - 2¹⁵ = 538544839369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538544872237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4906663 + ... + 5015219.

It is an arithmetic number, because the mean of its divisors is an integer number (44987955012).

Almost surely, 2^538544872137 is an apocalyptic number.

It is an amenable number.

538544872137 is a deficient number, since it is larger than the sum of its proper divisors (181262408055).

538544872137 is a wasteful number, since it uses less digits than its factorization.

538544872137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112568.

The product of its digits is 22579200, while the sum is 57.

The spelling of 538544872137 in words is "five hundred thirty-eight billion, five hundred forty-four million, eight hundred seventy-two thousand, one hundred thirty-seven".