81769632593932 has 12 divisors (see below), whose sum is σ = 143096959855696. Its totient is φ = 40884786920880.

The previous prime is 81769632593927. The next prime is 81769632593953. The reversal of 81769632593932 is 23939523696718.

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, 338544 + ... + 12792727.

Almost surely, 2^{81769632593932} is an apocalyptic number.

It is an amenable number.

81769632593932 is a deficient number, since it is larger than the sum of its proper divisors (61327327261764).

81769632593932 is a wasteful number, since it uses less digits than its factorization.

81769632593932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14688048 (or 14688046 counting only the distinct ones).

The product of its digits is 793618560, while the sum is 73.

The spelling of 81769632593932 in words is "eighty-one trillion, seven hundred sixty-nine billion, six hundred thirty-two million, five hundred ninety-three thousand, nine hundred thirty-two".