2516434651 has 4 divisors (see below), whose sum is σ = 2648878600. Its totient is φ = 2383990704.

The previous prime is 2516434649. The next prime is 2516434681. The reversal of 2516434651 is 1564346152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2516434651 - 2¹ = 2516434649 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2516434651.

It is not an unprimeable number, because it can be changed into a prime (2516434601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66221946 + ... + 66221983.

It is an arithmetic number, because the mean of its divisors is an integer number (662219650).

Almost surely, 2^2516434651 is an apocalyptic number.

2516434651 is a deficient number, since it is larger than the sum of its proper divisors (132443949).

2516434651 is a wasteful number, since it uses less digits than its factorization.

2516434651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132443948.

The product of its digits is 86400, while the sum is 37.

The square root of 2516434651 is about 50164.0772964080. The cubic root of 2516434651 is about 1360.1763487801.

The spelling of 2516434651 in words is "two billion, five hundred sixteen million, four hundred thirty-four thousand, six hundred fifty-one".