674000648917 has 2 divisors, whose sum is σ = 674000648918. Its totient is φ = 674000648916.

The previous prime is 674000648879. The next prime is 674000648921. The reversal of 674000648917 is 719846000476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650419668196 + 23580980721 = 806486^2 + 153561^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674000648917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674000748917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337000324458 + 337000324459.

It is an arithmetic number, because the mean of its divisors is an integer number (337000324459).

Almost surely, 2^674000648917 is an apocalyptic number.

It is an amenable number.

674000648917 is a deficient number, since it is larger than the sum of its proper divisors (1).

674000648917 is an equidigital number, since it uses as much as digits as its factorization.

674000648917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 674000648917 in words is "six hundred seventy-four billion, six hundred forty-eight thousand, nine hundred seventeen".