67695459697 has 2 divisors, whose sum is σ = 67695459698. Its totient is φ = 67695459696.

The previous prime is 67695459659. The next prime is 67695459701. The reversal of 67695459697 is 79695459676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65835349056 + 1860110641 = 256584^2 + 43129^2 .

It is a cyclic number.

It is not a de Polignac number, because 67695459697 - 2¹¹ = 67695457649 is a prime.

It is not a weakly prime, because it can be changed into another prime (67695459607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33847729848 + 33847729849.

It is an arithmetic number, because the mean of its divisors is an integer number (33847729849).

Almost surely, 2^67695459697 is an apocalyptic number.

It is an amenable number.

67695459697 is a deficient number, since it is larger than the sum of its proper divisors (1).

67695459697 is an equidigital number, since it uses as much as digits as its factorization.

67695459697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 771573600, while the sum is 73.

The spelling of 67695459697 in words is "sixty-seven billion, six hundred ninety-five million, four hundred fifty-nine thousand, six hundred ninety-seven".