68192039 has 2 divisors, whose sum is σ = 68192040. Its totient is φ = 68192038.

The previous prime is 68192027. The next prime is 68192041. The reversal of 68192039 is 93029186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68192039 - 2¹² = 68187943 is a prime.

Together with 68192041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68191993 and 68192011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68192009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34096019 + 34096020.

It is an arithmetic number, because the mean of its divisors is an integer number (34096020).

Almost surely, 2^68192039 is an apocalyptic number.

68192039 is a deficient number, since it is larger than the sum of its proper divisors (1).

68192039 is an equidigital number, since it uses as much as digits as its factorization.

68192039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 68192039 is about 8257.8471165310. The cubic root of 68192039 is about 408.5493828588.

The spelling of 68192039 in words is "sixty-eight million, one hundred ninety-two thousand, thirty-nine".