312372471839 has 2 divisors, whose sum is σ = 312372471840. Its totient is φ = 312372471838.

The previous prime is 312372471823. The next prime is 312372471841. The reversal of 312372471839 is 938174273213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312372471839 - 2⁴ = 312372471823 is a prime.

It is a super-2 number, since 2×312372471839² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 312372471841, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312372471899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156186235919 + 156186235920.

It is an arithmetic number, because the mean of its divisors is an integer number (156186235920).

Almost surely, 2^312372471839 is an apocalyptic number.

312372471839 is a deficient number, since it is larger than the sum of its proper divisors (1).

312372471839 is an equidigital number, since it uses as much as digits as its factorization.

312372471839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The spelling of 312372471839 in words is "three hundred twelve billion, three hundred seventy-two million, four hundred seventy-one thousand, eight hundred thirty-nine".