983657959631 has 2 divisors, whose sum is σ = 983657959632. Its totient is φ = 983657959630.

The previous prime is 983657959567. The next prime is 983657959633. The reversal of 983657959631 is 136959756389.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 983657959631 - 2⁶ = 983657959567 is a prime.

It is a super-2 number, since 2×983657959631² (a number of 25 digits) contains 22 as substring.

Together with 983657959633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (983657959633) 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 as a sum of consecutive naturals, namely, 491828979815 + 491828979816.

It is an arithmetic number, because the mean of its divisors is an integer number (491828979816).

Almost surely, 2^983657959631 is an apocalyptic number.

983657959631 is a deficient number, since it is larger than the sum of its proper divisors (1).

983657959631 is an equidigital number, since it uses as much as digits as its factorization.

983657959631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 330674400, while the sum is 71.

The spelling of 983657959631 in words is "nine hundred eighty-three billion, six hundred fifty-seven million, nine hundred fifty-nine thousand, six hundred thirty-one".