2479606991 has 2 divisors, whose sum is σ = 2479606992. Its totient is φ = 2479606990.

The previous prime is 2479606963. The next prime is 2479607003. The reversal of 2479606991 is 1996069742.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2479606991 is a prime.

It is a super-2 number, since 2×2479606991² = 12296901659632148162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2479606091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239803495 + 1239803496.

It is an arithmetic number, because the mean of its divisors is an integer number (1239803496).

Almost surely, 2^2479606991 is an apocalyptic number.

2479606991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479606991 is an equidigital number, since it uses as much as digits as its factorization.

2479606991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 2479606991 is about 49795.6523302989. The cubic root of 2479606991 is about 1353.5083854238.

The spelling of 2479606991 in words is "two billion, four hundred seventy-nine million, six hundred six thousand, nine hundred ninety-one".