68695266329 has 2 divisors, whose sum is σ = 68695266330. Its totient is φ = 68695266328.

The previous prime is 68695266281. The next prime is 68695266401. The reversal of 68695266329 is 92366259686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50244119104 + 18451147225 = 224152^2 + 135835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68695266329 is a prime.

It is a super-3 number, since 3×68695266329³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (68695266529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34347633164 + 34347633165.

It is an arithmetic number, because the mean of its divisors is an integer number (34347633165).

Almost surely, 2^68695266329 is an apocalyptic number.

It is an amenable number.

68695266329 is a deficient number, since it is larger than the sum of its proper divisors (1).

68695266329 is an equidigital number, since it uses as much as digits as its factorization.

68695266329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50388480, while the sum is 62.

The spelling of 68695266329 in words is "sixty-eight billion, six hundred ninety-five million, two hundred sixty-six thousand, three hundred twenty-nine".