4518269634891 has 16 divisors (see below), whose sum is σ = 6079810302720. Its totient is φ = 2984456011680.

The previous prime is 4518269634883. The next prime is 4518269634959. The reversal of 4518269634891 is 1984369628154.

It is not a de Polignac number, because 4518269634891 - 2³ = 4518269634883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4518269634841) 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, 11842876 + ... + 12218438.

It is an arithmetic number, because the mean of its divisors is an integer number (379988143920).

Almost surely, 2^{4518269634891} is an apocalyptic number.

4518269634891 is a deficient number, since it is larger than the sum of its proper divisors (1561540667829).

4518269634891 is a wasteful number, since it uses less digits than its factorization.

4518269634891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412466.

The product of its digits is 89579520, while the sum is 66.

The spelling of 4518269634891 in words is "four trillion, five hundred eighteen billion, two hundred sixty-nine million, six hundred thirty-four thousand, eight hundred ninety-one".