674040337457 has 2 divisors, whose sum is σ = 674040337458. Its totient is φ = 674040337456.

The previous prime is 674040337361. The next prime is 674040337469. The reversal of 674040337457 is 754733040476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 509990226496 + 164050110961 = 714136^2 + 405031^2 .

It is a cyclic number.

It is not a de Polignac number, because 674040337457 - 2³⁶ = 605320860721 is a prime.

It is not a weakly prime, because it can be changed into another prime (674040331457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337020168728 + 337020168729.

It is an arithmetic number, because the mean of its divisors is an integer number (337020168729).

Almost surely, 2^674040337457 is an apocalyptic number.

It is an amenable number.

674040337457 is a deficient number, since it is larger than the sum of its proper divisors (1).

674040337457 is an equidigital number, since it uses as much as digits as its factorization.

674040337457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5927040, while the sum is 50.

The spelling of 674040337457 in words is "six hundred seventy-four billion, forty million, three hundred thirty-seven thousand, four hundred fifty-seven".