192688061381 has 4 divisors (see below), whose sum is σ = 192695556000. Its totient is φ = 192680566764.

The previous prime is 192688061359. The next prime is 192688061383. The reversal of 192688061381 is 183160886291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192688061381 is a prime.

It is a super-2 number, since 2×192688061381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192688061383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3708611 + ... + 3760208.

It is an arithmetic number, because the mean of its divisors is an integer number (48173889000).

Almost surely, 2^192688061381 is an apocalyptic number.

It is an amenable number.

192688061381 is a deficient number, since it is larger than the sum of its proper divisors (7494619).

192688061381 is an equidigital number, since it uses as much as digits as its factorization.

192688061381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494618.

The product of its (nonzero) digits is 995328, while the sum is 53.

The spelling of 192688061381 in words is "one hundred ninety-two billion, six hundred eighty-eight million, sixty-one thousand, three hundred eighty-one".