18279304455 has 8 divisors (see below), whose sum is σ = 29246887152. Its totient is φ = 9748962368.

The previous prime is 18279304409. The next prime is 18279304481. The reversal of 18279304455 is 55440397281.

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

It is a cyclic number.

It is not a de Polignac number, because 18279304455 - 2⁷ = 18279304327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609310134 + ... + 609310163.

It is an arithmetic number, because the mean of its divisors is an integer number (3655860894).

Almost surely, 2^18279304455 is an apocalyptic number.

18279304455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18279304455 is a deficient number, since it is larger than the sum of its proper divisors (10967582697).

18279304455 is a wasteful number, since it uses less digits than its factorization.

18279304455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218620305.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 18279304455 in words is "eighteen billion, two hundred seventy-nine million, three hundred four thousand, four hundred fifty-five".