2990138983 has 8 divisors (see below), whose sum is σ = 3220599200. Its totient is φ = 2759743008.

The previous prime is 2990138969. The next prime is 2990139011. The reversal of 2990138983 is 3898310992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2990138983 - 2²⁵ = 2956584551 is a prime.

It is a super-2 number, since 2×2990138983² = 17881862275312548578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2990138983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990138783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129598 + ... + 150916.

It is an arithmetic number, because the mean of its divisors is an integer number (402574900).

Almost surely, 2^2990138983 is an apocalyptic number.

2990138983 is a deficient number, since it is larger than the sum of its proper divisors (230460217).

2990138983 is a wasteful number, since it uses less digits than its factorization.

2990138983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32121.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 2990138983 is about 54682.1632984651. The cubic root of 2990138983 is about 1440.6676082297.

The spelling of 2990138983 in words is "two billion, nine hundred ninety million, one hundred thirty-eight thousand, nine hundred eighty-three".