1993462172572 has 12 divisors (see below), whose sum is σ = 3756909479176. Its totient is φ = 920059464240.

The previous prime is 1993462172549. The next prime is 1993462172599. The reversal of 1993462172572 is 2752712643991.

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, 19167905454 + ... + 19167905557.

Almost surely, 2^{1993462172572} is an apocalyptic number.

It is an amenable number.

1993462172572 is a deficient number, since it is larger than the sum of its proper divisors (1763447306604).

1993462172572 is a wasteful number, since it uses less digits than its factorization.

1993462172572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38335811028 (or 38335811026 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 58.

The spelling of 1993462172572 in words is "one trillion, nine hundred ninety-three billion, four hundred sixty-two million, one hundred seventy-two thousand, five hundred seventy-two".