2479308641 has 2 divisors, whose sum is σ = 2479308642. Its totient is φ = 2479308640.

The previous prime is 2479308619. The next prime is 2479308649. The reversal of 2479308641 is 1468039742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2272524241 + 206784400 = 47671^2 + 14380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2479308641 is a prime.

It is a super-2 number, since 2×2479308641² = 12293942674674533762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2479308592 and 2479308601.

It is not a weakly prime, because it can be changed into another prime (2479308649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239654320 + 1239654321.

It is an arithmetic number, because the mean of its divisors is an integer number (1239654321).

Almost surely, 2^2479308641 is an apocalyptic number.

It is an amenable number.

2479308641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479308641 is an equidigital number, since it uses as much as digits as its factorization.

2479308641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 2479308641 is about 49792.6564967165. The cubic root of 2479308641 is about 1353.4540978659.

The spelling of 2479308641 in words is "two billion, four hundred seventy-nine million, three hundred eight thousand, six hundred forty-one".