18714430433 has 16 divisors (see below), whose sum is σ = 20377941120. Its totient is φ = 17119654656.

The previous prime is 18714430421. The next prime is 18714430451. The reversal of 18714430433 is 33403441781.

It is a happy number.

It is not a de Polignac number, because 18714430433 - 2⁶ = 18714430369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18714430403) 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, 653 + ... + 193466.

It is an arithmetic number, because the mean of its divisors is an integer number (1273621320).

Almost surely, 2^18714430433 is an apocalyptic number.

It is an amenable number.

18714430433 is a deficient number, since it is larger than the sum of its proper divisors (1663510687).

18714430433 is a wasteful number, since it uses less digits than its factorization.

18714430433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194296.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 18714430433 in words is "eighteen billion, seven hundred fourteen million, four hundred thirty thousand, four hundred thirty-three".