348394669462457 has 2 divisors, whose sum is σ = 348394669462458. Its totient is φ = 348394669462456.

The previous prime is 348394669462447. The next prime is 348394669462523. The reversal of 348394669462457 is 754264966493843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246485321422201 + 101909348040256 = 15699851^2 + 10095016^2 .

It is a cyclic number.

It is not a de Polignac number, because 348394669462457 - 2⁶ = 348394669462393 is a prime.

It is not a weakly prime, because it can be changed into another prime (348394669462447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174197334731228 + 174197334731229.

It is an arithmetic number, because the mean of its divisors is an integer number (174197334731229).

Almost surely, 2^{348394669462457} is an apocalyptic number.

It is an amenable number.

348394669462457 is a deficient number, since it is larger than the sum of its proper divisors (1).

348394669462457 is an equidigital number, since it uses as much as digits as its factorization.

348394669462457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22574039040, while the sum is 80.

The spelling of 348394669462457 in words is "three hundred forty-eight trillion, three hundred ninety-four billion, six hundred sixty-nine million, four hundred sixty-two thousand, four hundred fifty-seven".