774056185953793 has 2 divisors, whose sum is σ = 774056185953794. Its totient is φ = 774056185953792.

The previous prime is 774056185953763. The next prime is 774056185953803. The reversal of 774056185953793 is 397359581650477.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 498704244265969 + 275351941687824 = 22331687^2 + 16593732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-774056185953793 is a prime.

It is not a weakly prime, because it can be changed into another prime (774056185953763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387028092976896 + 387028092976897.

It is an arithmetic number, because the mean of its divisors is an integer number (387028092976897).

Almost surely, 2^{774056185953793} is an apocalyptic number.

It is an amenable number.

774056185953793 is a deficient number, since it is larger than the sum of its proper divisors (1).

774056185953793 is an equidigital number, since it uses as much as digits as its factorization.

774056185953793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6001128000, while the sum is 79.

The spelling of 774056185953793 in words is "seven hundred seventy-four trillion, fifty-six billion, one hundred eighty-five million, nine hundred fifty-three thousand, seven hundred ninety-three".