2979807911 has 2 divisors, whose sum is σ = 2979807912. Its totient is φ = 2979807910.

The previous prime is 2979807907. The next prime is 2979807917. The reversal of 2979807911 is 1197089792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2979807911 - 2² = 2979807907 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2979807917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489903955 + 1489903956.

It is an arithmetic number, because the mean of its divisors is an integer number (1489903956).

Almost surely, 2^2979807911 is an apocalyptic number.

2979807911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979807911 is an equidigital number, since it uses as much as digits as its factorization.

2979807911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 53.

The square root of 2979807911 is about 54587.6168283614. The cubic root of 2979807911 is about 1439.0065020537.

The spelling of 2979807911 in words is "two billion, nine hundred seventy-nine million, eight hundred seven thousand, nine hundred eleven".