68524561097 has 2 divisors, whose sum is σ = 68524561098. Its totient is φ = 68524561096.

The previous prime is 68524561057. The next prime is 68524561111. The reversal of 68524561097 is 79016542586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53220644416 + 15303916681 = 230696^2 + 123709^2 .

It is a cyclic number.

It is not a de Polignac number, because 68524561097 - 2²⁶ = 68457452233 is a prime.

It is not a weakly prime, because it can be changed into another prime (68524561057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34262280548 + 34262280549.

It is an arithmetic number, because the mean of its divisors is an integer number (34262280549).

Almost surely, 2^68524561097 is an apocalyptic number.

It is an amenable number.

68524561097 is a deficient number, since it is larger than the sum of its proper divisors (1).

68524561097 is an equidigital number, since it uses as much as digits as its factorization.

68524561097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 68524561097 in words is "sixty-eight billion, five hundred twenty-four million, five hundred sixty-one thousand, ninety-seven".