18889269234 has 16 divisors (see below), whose sum is σ = 41212951200. Its totient is φ = 5724020960.

The previous prime is 18889269227. The next prime is 18889269247. The reversal of 18889269234 is 43296298881.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143100459 + ... + 143100590.

It is an arithmetic number, because the mean of its divisors is an integer number (2575809450).

Almost surely, 2^18889269234 is an apocalyptic number.

18889269234 is an abundant number, since it is smaller than the sum of its proper divisors (22323681966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18889269234 is a wasteful number, since it uses less digits than its factorization.

18889269234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286201065.

The product of its digits is 11943936, while the sum is 60.

The spelling of 18889269234 in words is "eighteen billion, eight hundred eighty-nine million, two hundred sixty-nine thousand, two hundred thirty-four".