312413435689 has 2 divisors, whose sum is σ = 312413435690. Its totient is φ = 312413435688.

The previous prime is 312413435611. The next prime is 312413435723. The reversal of 312413435689 is 986534314213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238710416400 + 73703019289 = 488580^2 + 271483^2 .

It is a cyclic number.

It is not a de Polignac number, because 312413435689 - 2⁷ = 312413435561 is a prime.

It is not a weakly prime, because it can be changed into another prime (312413430689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156206717844 + 156206717845.

It is an arithmetic number, because the mean of its divisors is an integer number (156206717845).

Almost surely, 2^312413435689 is an apocalyptic number.

It is an amenable number.

312413435689 is a deficient number, since it is larger than the sum of its proper divisors (1).

312413435689 is an equidigital number, since it uses as much as digits as its factorization.

312413435689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 49.

The spelling of 312413435689 in words is "three hundred twelve billion, four hundred thirteen million, four hundred thirty-five thousand, six hundred eighty-nine".