674645025599 has 4 divisors (see below), whose sum is σ = 675098722464. Its totient is φ = 674191328736.

The previous prime is 674645025563. The next prime is 674645025623. The reversal of 674645025599 is 995520546476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674645025599 - 2²⁴ = 674628248383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674645015599) 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 in 3 ways as a sum of consecutive naturals, for example, 226846202 + ... + 226849175.

It is an arithmetic number, because the mean of its divisors is an integer number (168774680616).

Almost surely, 2^674645025599 is an apocalyptic number.

674645025599 is a deficient number, since it is larger than the sum of its proper divisors (453696865).

674645025599 is a wasteful number, since it uses less digits than its factorization.

674645025599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453696864.

The product of its (nonzero) digits is 81648000, while the sum is 62.

The spelling of 674645025599 in words is "six hundred seventy-four billion, six hundred forty-five million, twenty-five thousand, five hundred ninety-nine".