18940768119 has 36 divisors (see below), whose sum is σ = 33857509296. Its totient is φ = 9990729216.

The previous prime is 18940768109. The next prime is 18940768123. The reversal of 18940768119 is 91186704981.

It is not a de Polignac number, because 18940768119 - 2⁴ = 18940768103 is a prime.

It is a super-2 number, since 2×18940768119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18940768109) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 878842 + ... + 900135.

Almost surely, 2^18940768119 is an apocalyptic number.

18940768119 is a deficient number, since it is larger than the sum of its proper divisors (14916741177).

18940768119 is a wasteful number, since it uses less digits than its factorization.

18940768119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779016 (or 1779000 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 18940768119 in words is "eighteen billion, nine hundred forty million, seven hundred sixty-eight thousand, one hundred nineteen".