2474816561 has 16 divisors (see below), whose sum is σ = 2870246400. Its totient is φ = 2089998288.

The previous prime is 2474816549. The next prime is 2474816611. The reversal of 2474816561 is 1656184742.

It is not a de Polignac number, because 2474816561 - 2¹⁰ = 2474815537 is a prime.

It is a super-2 number, since 2×2474816561² = 12249434021199733442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2474819561) 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 in 15 ways as a sum of consecutive naturals, for example, 214580 + ... + 225818.

It is an arithmetic number, because the mean of its divisors is an integer number (179390400).

Almost surely, 2^2474816561 is an apocalyptic number.

It is an amenable number.

2474816561 is a deficient number, since it is larger than the sum of its proper divisors (395429839).

2474816561 is a wasteful number, since it uses less digits than its factorization.

2474816561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11708.

The product of its digits is 322560, while the sum is 44.

The square root of 2474816561 is about 49747.5281898508. The cubic root of 2474816561 is about 1352.6361951721.

The spelling of 2474816561 in words is "two billion, four hundred seventy-four million, eight hundred sixteen thousand, five hundred sixty-one".