312495363641 has 2 divisors, whose sum is σ = 312495363642. Its totient is φ = 312495363640.

The previous prime is 312495363613. The next prime is 312495363667. The reversal of 312495363641 is 146363594213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249580176400 + 62915187241 = 499580^2 + 250829^2 .

It is a cyclic number.

It is not a de Polignac number, because 312495363641 - 2¹⁴ = 312495347257 is a prime.

It is not a weakly prime, because it can be changed into another prime (312495363841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156247681820 + 156247681821.

It is an arithmetic number, because the mean of its divisors is an integer number (156247681821).

Almost surely, 2^312495363641 is an apocalyptic number.

It is an amenable number.

312495363641 is a deficient number, since it is larger than the sum of its proper divisors (1).

312495363641 is an equidigital number, since it uses as much as digits as its factorization.

312495363641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1399680, while the sum is 47.

The spelling of 312495363641 in words is "three hundred twelve billion, four hundred ninety-five million, three hundred sixty-three thousand, six hundred forty-one".