674319394957 has 16 divisors (see below), whose sum is σ = 760173603840. Its totient is φ = 593885577600.

The previous prime is 674319394909. The next prime is 674319394967. The reversal of 674319394957 is 759493913476.

It is not a de Polignac number, because 674319394957 - 2⁷ = 674319394829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674319394892 and 674319394901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674319394967) 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, 11754832 + ... + 11812057.

It is an arithmetic number, because the mean of its divisors is an integer number (47510850240).

Almost surely, 2^674319394957 is an apocalyptic number.

It is an amenable number.

674319394957 is a deficient number, since it is larger than the sum of its proper divisors (85854208883).

674319394957 is a wasteful number, since it uses less digits than its factorization.

674319394957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23567004.

The product of its digits is 154314720, while the sum is 67.

The spelling of 674319394957 in words is "six hundred seventy-four billion, three hundred nineteen million, three hundred ninety-four thousand, nine hundred fifty-seven".