2990998811 has 2 divisors, whose sum is σ = 2990998812. Its totient is φ = 2990998810.

The previous prime is 2990998793. The next prime is 2990998837. The reversal of 2990998811 is 1188990992.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2990998811 - 2¹⁰ = 2990997787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2990998841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1495499405 + 1495499406.

It is an arithmetic number, because the mean of its divisors is an integer number (1495499406).

Almost surely, 2^2990998811 is an apocalyptic number.

2990998811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2990998811 is an equidigital number, since it uses as much as digits as its factorization.

2990998811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 56.

The square root of 2990998811 is about 54690.0247851471. The cubic root of 2990998811 is about 1440.8056851597.

The spelling of 2990998811 in words is "two billion, nine hundred ninety million, nine hundred ninety-eight thousand, eight hundred eleven".