2990998837 has 2 divisors, whose sum is σ = 2990998838. Its totient is φ = 2990998836.

The previous prime is 2990998811. The next prime is 2990998841. The reversal of 2990998837 is 7388990992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1893468196 + 1097530641 = 43514^2 + 33129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2990998837 - 2⁷ = 2990998709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2990998847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495499418 + 1495499419.

It is an arithmetic number, because the mean of its divisors is an integer number (1495499419).

Almost surely, 2^2990998837 is an apocalyptic number.

It is an amenable number.

2990998837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990998837 is an equidigital number, since it uses as much as digits as its factorization.

2990998837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17635968, while the sum is 64.

The square root of 2990998837 is about 54690.0250228504. The cubic root of 2990998837 is about 1440.8056893346.

The spelling of 2990998837 in words is "two billion, nine hundred ninety million, nine hundred ninety-eight thousand, eight hundred thirty-seven".