2518672431 has 16 divisors (see below), whose sum is σ = 3822808320. Its totient is φ = 1460099520.

The previous prime is 2518672427. The next prime is 2518672439. The reversal of 2518672431 is 1342768152.

It is not a de Polignac number, because 2518672431 - 2² = 2518672427 is a prime.

It is a super-2 number, since 2×2518672431² = 12687421629358899522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2518672431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2518672439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1658446 + ... + 1659963.

It is an arithmetic number, because the mean of its divisors is an integer number (238925520).

Almost surely, 2^2518672431 is an apocalyptic number.

2518672431 is a deficient number, since it is larger than the sum of its proper divisors (1304135889).

2518672431 is a wasteful number, since it uses less digits than its factorization.

2518672431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318446.

The product of its digits is 80640, while the sum is 39.

The square root of 2518672431 is about 50186.3769463387. The cubic root of 2518672431 is about 1360.5794155598.

The spelling of 2518672431 in words is "two billion, five hundred eighteen million, six hundred seventy-two thousand, four hundred thirty-one".