19914105364 has 12 divisors (see below), whose sum is σ = 36364888224. Its totient is φ = 9524137304.

The previous prime is 19914105359. The next prime is 19914105391. The reversal of 19914105364 is 46350141991.

It is a self number, because there is not a number n which added to its sum of digits gives 19914105364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108228742 + ... + 108228925.

It is an arithmetic number, because the mean of its divisors is an integer number (3030407352).

Almost surely, 2^19914105364 is an apocalyptic number.

It is an amenable number.

19914105364 is a deficient number, since it is larger than the sum of its proper divisors (16450782860).

19914105364 is a wasteful number, since it uses less digits than its factorization.

19914105364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216457694 (or 216457692 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 19914105364 in words is "nineteen billion, nine hundred fourteen million, one hundred five thousand, three hundred sixty-four".