18493408610 has 32 divisors (see below), whose sum is σ = 34238920320. Its totient is φ = 7187862528.

The previous prime is 18493408603. The next prime is 18493408651. The reversal of 18493408610 is 1680439481.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28430 + ... + 194409.

It is an arithmetic number, because the mean of its divisors is an integer number (1069966260).

Almost surely, 2^18493408610 is an apocalyptic number.

18493408610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18493408610 is a deficient number, since it is larger than the sum of its proper divisors (15745511710).

18493408610 is a wasteful number, since it uses less digits than its factorization.

18493408610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223082.

The product of its (nonzero) digits is 165888, while the sum is 44.

The spelling of 18493408610 in words is "eighteen billion, four hundred ninety-three million, four hundred eight thousand, six hundred ten".