192700238981 has 2 divisors, whose sum is σ = 192700238982. Its totient is φ = 192700238980.

The previous prime is 192700238933. The next prime is 192700239013. The reversal of 192700238981 is 189832007291.

192700238981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129895368100 + 62804870881 = 360410^2 + 250609^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192700238981 is a prime.

It is a super-2 number, since 2×192700238981² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (192700238921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96350119490 + 96350119491.

It is an arithmetic number, because the mean of its divisors is an integer number (96350119491).

Almost surely, 2^192700238981 is an apocalyptic number.

It is an amenable number.

192700238981 is a deficient number, since it is larger than the sum of its proper divisors (1).

192700238981 is an equidigital number, since it uses as much as digits as its factorization.

192700238981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 50.

The spelling of 192700238981 in words is "one hundred ninety-two billion, seven hundred million, two hundred thirty-eight thousand, nine hundred eighty-one".