2479564517 has 2 divisors, whose sum is σ = 2479564518. Its totient is φ = 2479564516.

The previous prime is 2479564471. The next prime is 2479564531. The reversal of 2479564517 is 7154659742.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2330089441 + 149475076 = 48271^2 + 12226^2 .

It is a cyclic number.

It is not a de Polignac number, because 2479564517 - 2⁸ = 2479564261 is a prime.

It is a super-2 number, since 2×2479564517² = 12296480387930886578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2479569517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239782258 + 1239782259.

It is an arithmetic number, because the mean of its divisors is an integer number (1239782259).

Almost surely, 2^2479564517 is an apocalyptic number.

It is an amenable number.

2479564517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2479564517 is an equidigital number, since it uses as much as digits as its factorization.

2479564517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 50.

The square root of 2479564517 is about 49795.2258454563. The cubic root of 2479564517 is about 1353.5006571502.

The spelling of 2479564517 in words is "two billion, four hundred seventy-nine million, five hundred sixty-four thousand, five hundred seventeen".