2998668931 has 2 divisors, whose sum is σ = 2998668932. Its totient is φ = 2998668930.

The previous prime is 2998668917. The next prime is 2998668983. The reversal of 2998668931 is 1398668992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2998668931 - 2⁵ = 2998668899 is a prime.

It is a super-2 number, since 2×2998668931² = 17984030715489365522, 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 2998668931.

It is not a weakly prime, because it can be changed into another prime (2998663931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499334465 + 1499334466.

It is an arithmetic number, because the mean of its divisors is an integer number (1499334466).

Almost surely, 2^2998668931 is an apocalyptic number.

2998668931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2998668931 is an equidigital number, since it uses as much as digits as its factorization.

2998668931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 61.

The square root of 2998668931 is about 54760.1034604574. The cubic root of 2998668931 is about 1442.0362350090.

Adding to 2998668931 its sum of digits (61), we get a palindrome (2998668992).

The spelling of 2998668931 in words is "two billion, nine hundred ninety-eight million, six hundred sixty-eight thousand, nine hundred thirty-one".