193897934192 has 20 divisors (see below), whose sum is σ = 376668492120. Its totient is φ = 96693162048.

The previous prime is 193897934183. The next prime is 193897934207. The reversal of 193897934192 is 291439798391.

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, 15981563 + ... + 15993690.

It is an arithmetic number, because the mean of its divisors is an integer number (18833424606).

Almost surely, 2^193897934192 is an apocalyptic number.

It is an amenable number.

193897934192 is a deficient number, since it is larger than the sum of its proper divisors (182770557928).

193897934192 is a wasteful number, since it uses less digits than its factorization.

193897934192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31975640 (or 31975634 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 65.

The spelling of 193897934192 in words is "one hundred ninety-three billion, eight hundred ninety-seven million, nine hundred thirty-four thousand, one hundred ninety-two".