18137262434 has 16 divisors (see below), whose sum is σ = 28083044088. Its totient is φ = 8778736512.

The previous prime is 18137262419. The next prime is 18137262457. The reversal of 18137262434 is 43426273181.

It can be written as a sum of positive squares in 4 ways, for example, as 17970206809 + 167055625 = 134053^2 + 12925^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18137262391 and 18137262400.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 607499 + ... + 636654.

Almost surely, 2^18137262434 is an apocalyptic number.

18137262434 is a deficient number, since it is larger than the sum of its proper divisors (9945781654).

18137262434 is a wasteful number, since it uses less digits than its factorization.

18137262434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244389.

The product of its digits is 193536, while the sum is 41.

The spelling of 18137262434 in words is "eighteen billion, one hundred thirty-seven million, two hundred sixty-two thousand, four hundred thirty-four".