974983838957 has 4 divisors (see below), whose sum is σ = 979278922176. Its totient is φ = 970688755740.

The previous prime is 974983838833. The next prime is 974983838977. The reversal of 974983838957 is 759838389479.

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-974983838957 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 (974983838977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2147541269 + ... + 2147541722.

It is an arithmetic number, because the mean of its divisors is an integer number (244819730544).

Almost surely, 2^974983838957 is an apocalyptic number.

It is an amenable number.

974983838957 is a deficient number, since it is larger than the sum of its proper divisors (4295083219).

974983838957 is a wasteful number, since it uses less digits than its factorization.

974983838957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295083218.

The product of its digits is 3292047360, while the sum is 80.

The spelling of 974983838957 in words is "nine hundred seventy-four billion, nine hundred eighty-three million, eight hundred thirty-eight thousand, nine hundred fifty-seven".