674040700349 has 2 divisors, whose sum is σ = 674040700350. Its totient is φ = 674040700348.

The previous prime is 674040700313. The next prime is 674040700363. The reversal of 674040700349 is 943007040476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 427336764100 + 246703936249 = 653710^2 + 496693^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674040700349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674040700849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337020350174 + 337020350175.

It is an arithmetic number, because the mean of its divisors is an integer number (337020350175).

Almost surely, 2^674040700349 is an apocalyptic number.

It is an amenable number.

674040700349 is a deficient number, since it is larger than the sum of its proper divisors (1).

674040700349 is an equidigital number, since it uses as much as digits as its factorization.

674040700349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 674040700349 in words is "six hundred seventy-four billion, forty million, seven hundred thousand, three hundred forty-nine".