674636337557 has 16 divisors (see below), whose sum is σ = 835121212800. Its totient is φ = 530692765632.

The previous prime is 674636337547. The next prime is 674636337569. The reversal of 674636337557 is 755733636476.

674636337557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 674636337557 - 2⁴ = 674636337541 is a prime.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 674636337557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674636337517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21410807 + ... + 21442292.

It is an arithmetic number, because the mean of its divisors is an integer number (52195075800).

Almost surely, 2^674636337557 is an apocalyptic number.

It is an amenable number.

674636337557 is a deficient number, since it is larger than the sum of its proper divisors (160484875243).

674636337557 is a wasteful number, since it uses less digits than its factorization.

674636337557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42853292.

The product of its digits is 200037600, while the sum is 62.

The spelling of 674636337557 in words is "six hundred seventy-four billion, six hundred thirty-six million, three hundred thirty-seven thousand, five hundred fifty-seven".