2499792961 has 2 divisors, whose sum is σ = 2499792962. Its totient is φ = 2499792960.

The previous prime is 2499792913. The next prime is 2499792979. The reversal of 2499792961 is 1692979942.

2499792961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2023200400 + 476592561 = 44980^2 + 21831^2 .

It is a cyclic number.

It is not a de Polignac number, because 2499792961 - 2²³ = 2491404353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2499792896 and 2499792905.

It is not a weakly prime, because it can be changed into another prime (2499792161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249896480 + 1249896481.

It is an arithmetic number, because the mean of its divisors is an integer number (1249896481).

Almost surely, 2^2499792961 is an apocalyptic number.

It is an amenable number.

2499792961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2499792961 is an equidigital number, since it uses as much as digits as its factorization.

2499792961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4408992, while the sum is 58.

The square root of 2499792961 is about 49997.9295671331. The cubic root of 2499792961 is about 1357.1713412426.

The spelling of 2499792961 in words is "two billion, four hundred ninety-nine million, seven hundred ninety-two thousand, nine hundred sixty-one".