674586379958401 has 4 divisors (see below), whose sum is σ = 703916222565312. Its totient is φ = 645256537351492.

The previous prime is 674586379958357. The next prime is 674586379958429. The reversal of 674586379958401 is 104859973685476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674586379958401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674586379958201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14664921303421 + ... + 14664921303466.

It is an arithmetic number, because the mean of its divisors is an integer number (175979055641328).

Almost surely, 2^{674586379958401} is an apocalyptic number.

It is an amenable number.

674586379958401 is a deficient number, since it is larger than the sum of its proper divisors (29329842606911).

674586379958401 is a wasteful number, since it uses less digits than its factorization.

674586379958401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29329842606910.

The product of its (nonzero) digits is 10973491200, while the sum is 82.

The spelling of 674586379958401 in words is "six hundred seventy-four trillion, five hundred eighty-six billion, three hundred seventy-nine million, nine hundred fifty-eight thousand, four hundred one".