18429664790 has 8 divisors (see below), whose sum is σ = 33173396640. Its totient is φ = 7371865912.

The previous prime is 18429664787. The next prime is 18429664801. The reversal of 18429664790 is 9746692481.

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

It is a congruent number.

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, 921483230 + ... + 921483249.

It is an arithmetic number, because the mean of its divisors is an integer number (4146674580).

Almost surely, 2^18429664790 is an apocalyptic number.

18429664790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18429664790 is a deficient number, since it is larger than the sum of its proper divisors (14743731850).

18429664790 is a wasteful number, since it uses less digits than its factorization.

18429664790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842966486.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 18429664790 in words is "eighteen billion, four hundred twenty-nine million, six hundred sixty-four thousand, seven hundred ninety".