538951332951 has 24 divisors (see below), whose sum is σ = 820795126320. Its totient is φ = 339834963456.

The previous prime is 538951332949. The next prime is 538951333007. The reversal of 538951332951 is 159233159835.

538951332951 is a `hidden beast` number, since 5 + 3 + 8 + 9 + 513 + 32 + 95 + 1 = 666.

It is not a de Polignac number, because 538951332951 - 2¹ = 538951332949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538951331951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2465946 + ... + 2675591.

It is an arithmetic number, because the mean of its divisors is an integer number (34199796930).

Almost surely, 2^538951332951 is an apocalyptic number.

538951332951 is a deficient number, since it is larger than the sum of its proper divisors (281843793369).

538951332951 is a wasteful number, since it uses less digits than its factorization.

538951332951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5142175 (or 5142172 counting only the distinct ones).

The product of its digits is 4374000, while the sum is 54.

The spelling of 538951332951 in words is "five hundred thirty-eight billion, nine hundred fifty-one million, three hundred thirty-two thousand, nine hundred fifty-one".