68789269 has 2 divisors, whose sum is σ = 68789270. Its totient is φ = 68789268.

The previous prime is 68789261. The next prime is 68789323. The reversal of 68789269 is 96298786.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65772100 + 3017169 = 8110^2 + 1737^2 .

It is a cyclic number.

It is not a de Polignac number, because 68789269 - 2³ = 68789261 is a prime.

It is a super-2 number, since 2×68789269² = 9463927059108722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68789261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34394634 + 34394635.

It is an arithmetic number, because the mean of its divisors is an integer number (34394635).

Almost surely, 2^68789269 is an apocalyptic number.

It is an amenable number.

68789269 is a deficient number, since it is larger than the sum of its proper divisors (1).

68789269 is an equidigital number, since it uses as much as digits as its factorization.

68789269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 68789269 is about 8293.9296476399. The cubic root of 68789269 is about 409.7386178534.

The spelling of 68789269 in words is "sixty-eight million, seven hundred eighty-nine thousand, two hundred sixty-nine".