18698250034 has 8 divisors (see below), whose sum is σ = 28136984220. Its totient is φ = 9319255296.

The previous prime is 18698250019. The next prime is 18698250041. The reversal of 18698250034 is 43005289681.

It can be written as a sum of positive squares in 2 ways, for example, as 17570297809 + 1127952225 = 132553^2 + 33585^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14934079 + ... + 14935330.

Almost surely, 2^18698250034 is an apocalyptic number.

18698250034 is a deficient number, since it is larger than the sum of its proper divisors (9438734186).

18698250034 is a wasteful number, since it uses less digits than its factorization.

18698250034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29869724.

The product of its (nonzero) digits is 414720, while the sum is 46.

It can be divided in two parts, 186982 and 50034, that added together give a triangular number (237016 = T₆₈₈).

The spelling of 18698250034 in words is "eighteen billion, six hundred ninety-eight million, two hundred fifty thousand, thirty-four".