2479708991 has 2 divisors, whose sum is σ = 2479708992. Its totient is φ = 2479708990.

The previous prime is 2479708937. The next prime is 2479708997. The reversal of 2479708991 is 1998079742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2479708991 - 2¹⁸ = 2479446847 is a prime.

It is a super-2 number, since 2×2479708991² = 12297913360092476162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2479708997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239854495 + 1239854496.

It is an arithmetic number, because the mean of its divisors is an integer number (1239854496).

Almost surely, 2^2479708991 is an apocalyptic number.

2479708991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479708991 is an equidigital number, since it uses as much as digits as its factorization.

2479708991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 56.

The square root of 2479708991 is about 49796.6765055661. The cubic root of 2479708991 is about 1353.5269442737.

The spelling of 2479708991 in words is "two billion, four hundred seventy-nine million, seven hundred eight thousand, nine hundred ninety-one".