18830253790 has 32 divisors (see below), whose sum is σ = 34060842144. Its totient is φ = 7495188480.

The previous prime is 18830253781. The next prime is 18830253851. The reversal of 18830253790 is 9735203881.

It is a self number, because there is not a number n which added to its sum of digits gives 18830253790.

It is a congruent 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, 3006342 + ... + 3012598.

It is an arithmetic number, because the mean of its divisors is an integer number (1064401317).

Almost surely, 2^18830253790 is an apocalyptic number.

18830253790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18830253790 is a deficient number, since it is larger than the sum of its proper divisors (15230588354).

18830253790 is a wasteful number, since it uses less digits than its factorization.

18830253790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7692.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 18830253790 in words is "eighteen billion, eight hundred thirty million, two hundred fifty-three thousand, seven hundred ninety".