674744399999 has 2 divisors, whose sum is σ = 674744400000. Its totient is φ = 674744399998.

The previous prime is 674744399941. The next prime is 674744400013. The reversal of 674744399999 is 999993447476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674744399999 - 2²⁰ = 674743351423 is a prime.

It is a super-2 number, since 2×674744399999² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674744399909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337372199999 + 337372200000.

It is an arithmetic number, because the mean of its divisors is an integer number (337372200000).

Almost surely, 2^674744399999 is an apocalyptic number.

674744399999 is a deficient number, since it is larger than the sum of its proper divisors (1).

674744399999 is an equidigital number, since it uses as much as digits as its factorization.

674744399999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3333197952, while the sum is 80.

The spelling of 674744399999 in words is "six hundred seventy-four billion, seven hundred forty-four million, three hundred ninety-nine thousand, nine hundred ninety-nine".