18457050659 has 8 divisors (see below), whose sum is σ = 19004634480. Its totient is φ = 17912032416.

The previous prime is 18457050613. The next prime is 18457050679. The reversal of 18457050659 is 95605075481.

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 18457050659 - 2²⁰ = 18456002083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18457050679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626789 + ... + 655574.

It is an arithmetic number, because the mean of its divisors is an integer number (2375579310).

Almost surely, 2^18457050659 is an apocalyptic number.

18457050659 is a deficient number, since it is larger than the sum of its proper divisors (547583821).

18457050659 is a wasteful number, since it uses less digits than its factorization.

18457050659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282789.

The product of its (nonzero) digits is 1512000, while the sum is 50.

The spelling of 18457050659 in words is "eighteen billion, four hundred fifty-seven million, fifty thousand, six hundred fifty-nine".