18814409706 has 32 divisors (see below), whose sum is σ = 38784410496. Its totient is φ = 6081768000.

The previous prime is 18814409693. The next prime is 18814409707. The reversal of 18814409706 is 60790441881.

It is not an unprimeable number, because it can be changed into a prime (18814409707) 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, 336025 + ... + 387996.

It is an arithmetic number, because the mean of its divisors is an integer number (1212012828).

Almost surely, 2^18814409706 is an apocalyptic number.

18814409706 is an abundant number, since it is smaller than the sum of its proper divisors (19970000790).

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

18814409706 is a wasteful number, since it uses less digits than its factorization.

18814409706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724158.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 18814409706 in words is "eighteen billion, eight hundred fourteen million, four hundred nine thousand, seven hundred six".