2479634489 has 2 divisors, whose sum is σ = 2479634490. Its totient is φ = 2479634488.

The previous prime is 2479634461. The next prime is 2479634491. The reversal of 2479634489 is 9844369742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2365849600 + 113784889 = 48640^2 + 10667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479634489 - 2¹² = 2479630393 is a prime.

It is a super-2 number, since 2×2479634489² = 12297174398076582242, which contains 22 as substring.

Together with 2479634491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2479634089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239817244 + 1239817245.

It is an arithmetic number, because the mean of its divisors is an integer number (1239817245).

Almost surely, 2^2479634489 is an apocalyptic number.

It is an amenable number.

2479634489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479634489 is an equidigital number, since it uses as much as digits as its factorization.

2479634489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 56.

The square root of 2479634489 is about 49795.9284379757. The cubic root of 2479634489 is about 1353.5133887215.

The spelling of 2479634489 in words is "two billion, four hundred seventy-nine million, six hundred thirty-four thousand, four hundred eighty-nine".