379434866785957 has 2 divisors, whose sum is σ = 379434866785958. Its totient is φ = 379434866785956.

The previous prime is 379434866785867. The next prime is 379434866786011. The reversal of 379434866785957 is 759587668434973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214892906919076 + 164541959866881 = 14659226^2 + 12827391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379434866785957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379434866782957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189717433392978 + 189717433392979.

It is an arithmetic number, because the mean of its divisors is an integer number (189717433392979).

Almost surely, 2^{379434866785957} is an apocalyptic number.

It is an amenable number.

379434866785957 is a deficient number, since it is larger than the sum of its proper divisors (1).

379434866785957 is an equidigital number, since it uses as much as digits as its factorization.

379434866785957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230443315200, while the sum is 91.

The spelling of 379434866785957 in words is "three hundred seventy-nine trillion, four hundred thirty-four billion, eight hundred sixty-six million, seven hundred eighty-five thousand, nine hundred fifty-seven".