5231507953979 has 4 divisors (see below), whose sum is σ = 5294538170376. Its totient is φ = 5168477737584.

The previous prime is 5231507953957. The next prime is 5231507953981. The reversal of 5231507953979 is 9793597051325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5231507953979 - 2⁴⁰ = 4131996326203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231507953909) 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 3 ways as a sum of consecutive naturals, for example, 31515108074 + ... + 31515108239.

It is an arithmetic number, because the mean of its divisors is an integer number (1323634542594).

Almost surely, 2^{5231507953979} is an apocalyptic number.

5231507953979 is a deficient number, since it is larger than the sum of its proper divisors (63030216397).

5231507953979 is an equidigital number, since it uses as much as digits as its factorization.

5231507953979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63030216396.

The product of its (nonzero) digits is 80372250, while the sum is 65.

The spelling of 5231507953979 in words is "five trillion, two hundred thirty-one billion, five hundred seven million, nine hundred fifty-three thousand, nine hundred seventy-nine".