52131192439 has 16 divisors (see below), whose sum is σ = 55338428416. Its totient is φ = 49022820000.

The previous prime is 52131192413. The next prime is 52131192457. The reversal of 52131192439 is 93429113125.

It is a cyclic number.

It is not a de Polignac number, because 52131192439 - 2³³ = 43541257847 is a prime.

It is a super-2 number, since 2×52131192439² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52131192479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873814 + ... + 931564.

It is an arithmetic number, because the mean of its divisors is an integer number (3458651776).

Almost surely, 2^52131192439 is an apocalyptic number.

52131192439 is a deficient number, since it is larger than the sum of its proper divisors (3207235977).

52131192439 is a wasteful number, since it uses less digits than its factorization.

52131192439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58606.

The product of its digits is 58320, while the sum is 40.

The spelling of 52131192439 in words is "fifty-two billion, one hundred thirty-one million, one hundred ninety-two thousand, four hundred thirty-nine".