2990818819917 has 12 divisors (see below), whose sum is σ = 4321300014460. Its totient is φ = 1993312266048.

The previous prime is 2990818819913. The next prime is 2990818819921. The reversal of 2990818819917 is 7199188180992.

It is an interprime number because it is at equal distance from previous prime (2990818819913) and next prime (2990818819921).

It can be written as a sum of positive squares in 2 ways, for example, as 2942010522441 + 48808297476 = 1715229^2 + 220926^2 .

It is not a de Polignac number, because 2990818819917 - 2² = 2990818819913 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 (2990818819913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47212192 + ... + 47275497.

Almost surely, 2^{2990818819917} is an apocalyptic number.

It is an amenable number.

2990818819917 is a deficient number, since it is larger than the sum of its proper divisors (1330481194543).

2990818819917 is a wasteful number, since it uses less digits than its factorization.

2990818819917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94491212 (or 94491209 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 72.

The spelling of 2990818819917 in words is "two trillion, nine hundred ninety billion, eight hundred eighteen million, eight hundred nineteen thousand, nine hundred seventeen".