68692697597 has 2 divisors, whose sum is σ = 68692697598. Its totient is φ = 68692697596.

The previous prime is 68692697569. The next prime is 68692697653. The reversal of 68692697597 is 79579629686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45201311236 + 23491386361 = 212606^2 + 153269^2 .

It is a cyclic number.

It is not a de Polignac number, because 68692697597 - 2⁸ = 68692697341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68692697537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34346348798 + 34346348799.

It is an arithmetic number, because the mean of its divisors is an integer number (34346348799).

Almost surely, 2^68692697597 is an apocalyptic number.

It is an amenable number.

68692697597 is a deficient number, since it is larger than the sum of its proper divisors (1).

68692697597 is an equidigital number, since it uses as much as digits as its factorization.

68692697597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 617258880, while the sum is 74.

The spelling of 68692697597 in words is "sixty-eight billion, six hundred ninety-two million, six hundred ninety-seven thousand, five hundred ninety-seven".