18273932764 has 6 divisors (see below), whose sum is σ = 31979382344. Its totient is φ = 9136966380.

The previous prime is 18273932711. The next prime is 18273932779. The reversal of 18273932764 is 46723937281.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2284241592 + ... + 2284241599.

Almost surely, 2^18273932764 is an apocalyptic number.

It is an amenable number.

18273932764 is a deficient number, since it is larger than the sum of its proper divisors (13705449580).

18273932764 is a wasteful number, since it uses less digits than its factorization.

18273932764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568483195 (or 4568483193 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The spelling of 18273932764 in words is "eighteen billion, two hundred seventy-three million, nine hundred thirty-two thousand, seven hundred sixty-four".