9957136983 has 4 divisors (see below), whose sum is σ = 13276182648. Its totient is φ = 6638091320.

The previous prime is 9957136939. The next prime is 9957136991. The reversal of 9957136983 is 3896317599.

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 9957136983 - 2¹⁴ = 9957120599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957136913) 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, 1659522828 + ... + 1659522833.

It is an arithmetic number, because the mean of its divisors is an integer number (3319045662).

Almost surely, 2^9957136983 is an apocalyptic number.

9957136983 is a deficient number, since it is larger than the sum of its proper divisors (3319045665).

9957136983 is a wasteful number, since it uses less digits than its factorization.

9957136983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3319045664.

The product of its digits is 11022480, while the sum is 60.

The square root of 9957136983 is about 99785.4547667144. The cubic root of 9957136983 is about 2151.3520958266.

The spelling of 9957136983 in words is "nine billion, nine hundred fifty-seven million, one hundred thirty-six thousand, nine hundred eighty-three".