18719482294 has 16 divisors (see below), whose sum is σ = 28175839488. Its totient is φ = 9327589992.

The previous prime is 18719482291. The next prime is 18719482333. The reversal of 18719482294 is 49228491781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18719482291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710749 + ... + 736615.

It is an arithmetic number, because the mean of its divisors is an integer number (1760989968).

Almost surely, 2^18719482294 is an apocalyptic number.

18719482294 is a deficient number, since it is larger than the sum of its proper divisors (9456357194).

18719482294 is a wasteful number, since it uses less digits than its factorization.

18719482294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27099.

The product of its digits is 2322432, while the sum is 55.

The spelling of 18719482294 in words is "eighteen billion, seven hundred nineteen million, four hundred eighty-two thousand, two hundred ninety-four".