18969386396 has 6 divisors (see below), whose sum is σ = 33196426200. Its totient is φ = 9484693196.

The previous prime is 18969386363. The next prime is 18969386453. The reversal of 18969386396 is 69368396981.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2371173296 + ... + 2371173303.

It is an arithmetic number, because the mean of its divisors is an integer number (5532737700).

Almost surely, 2^18969386396 is an apocalyptic number.

It is an amenable number.

18969386396 is a deficient number, since it is larger than the sum of its proper divisors (14227039804).

18969386396 is a wasteful number, since it uses less digits than its factorization.

18969386396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742346603 (or 4742346601 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 68.

The spelling of 18969386396 in words is "eighteen billion, nine hundred sixty-nine million, three hundred eighty-six thousand, three hundred ninety-six".