674586379958399 has 4 divisors (see below), whose sum is σ = 678355018952760. Its totient is φ = 670817740964040.

The previous prime is 674586379958357. The next prime is 674586379958429. The reversal of 674586379958399 is 993859973685476.

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 674586379958399 - 2¹² = 674586379954303 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 (674586379952399) 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, 1884319496912 + ... + 1884319497269.

It is an arithmetic number, because the mean of its divisors is an integer number (169588754738190).

Almost surely, 2^{674586379958399} is an apocalyptic number.

674586379958399 is a deficient number, since it is larger than the sum of its proper divisors (3768638994361).

674586379958399 is a wasteful number, since it uses less digits than its factorization.

674586379958399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768638994360.

The product of its digits is 666639590400, while the sum is 98.

The spelling of 674586379958399 in words is "six hundred seventy-four trillion, five hundred eighty-six billion, three hundred seventy-nine million, nine hundred fifty-eight thousand, three hundred ninety-nine".