912396974257 has 2 divisors, whose sum is σ = 912396974258. Its totient is φ = 912396974256.

The previous prime is 912396974231. The next prime is 912396974261. The reversal of 912396974257 is 752479693219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890137527841 + 22259446416 = 943471^2 + 149196^2 .

It is a cyclic number.

It is not a de Polignac number, because 912396974257 - 2¹¹ = 912396972209 is a prime.

It is not a weakly prime, because it can be changed into another prime (912396974057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456198487128 + 456198487129.

It is an arithmetic number, because the mean of its divisors is an integer number (456198487129).

Almost surely, 2^912396974257 is an apocalyptic number.

It is an amenable number.

912396974257 is a deficient number, since it is larger than the sum of its proper divisors (1).

912396974257 is an equidigital number, since it uses as much as digits as its factorization.

912396974257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51438240, while the sum is 64.

It can be divided in two parts, 912396 and 974257, that added together give a triangular number (1886653 = T₁₉₄₂).

The spelling of 912396974257 in words is "nine hundred twelve billion, three hundred ninety-six million, nine hundred seventy-four thousand, two hundred fifty-seven".