2479630409 has 2 divisors, whose sum is σ = 2479630410. Its totient is φ = 2479630408.

The previous prime is 2479630393. The next prime is 2479630411. The reversal of 2479630409 is 9040369742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1447422025 + 1032208384 = 38045^2 + 32128^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479630409 - 2⁴ = 2479630393 is a prime.

It is a super-2 number, since 2×2479630409² = 12297133930475014562, which contains 22 as substring.

Together with 2479630411, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2479630409.

It is not a weakly prime, because it can be changed into another prime (2479630459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239815204 + 1239815205.

It is an arithmetic number, because the mean of its divisors is an integer number (1239815205).

Almost surely, 2^2479630409 is an apocalyptic number.

It is an amenable number.

2479630409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479630409 is an equidigital number, since it uses as much as digits as its factorization.

2479630409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 2479630409 is about 49795.8874707540. The cubic root of 2479630409 is about 1353.5126463624.

The spelling of 2479630409 in words is "two billion, four hundred seventy-nine million, six hundred thirty thousand, four hundred nine".