2479565557 has 8 divisors (see below), whose sum is σ = 2838215232. Its totient is φ = 2122022400.

The previous prime is 2479565509. The next prime is 2479565563. The reversal of 2479565557 is 7555659742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2479565557 is a prime.

It is a super-2 number, since 2×2479565557² = 12296490702921440498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2479565498 and 2479565507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2479565057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271819 + ... + 280792.

It is an arithmetic number, because the mean of its divisors is an integer number (354776904).

Almost surely, 2^2479565557 is an apocalyptic number.

It is an amenable number.

2479565557 is a deficient number, since it is larger than the sum of its proper divisors (358649675).

2479565557 is an equidigital number, since it uses as much as digits as its factorization.

2479565557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553259.

The product of its digits is 13230000, while the sum is 55.

The square root of 2479565557 is about 49795.2362882234. The cubic root of 2479565557 is about 1353.5008463824.

The spelling of 2479565557 in words is "two billion, four hundred seventy-nine million, five hundred sixty-five thousand, five hundred fifty-seven".