68585369 has 2 divisors, whose sum is σ = 68585370. Its totient is φ = 68585368.

The previous prime is 68585359. The next prime is 68585371. The reversal of 68585369 is 96358586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57957769 + 10627600 = 7613^2 + 3260^2 .

It is a cyclic number.

It is not a de Polignac number, because 68585369 - 2²⁴ = 51808153 is a prime.

It is a super-2 number, since 2×68585369² = 9407905681732322, which contains 22 as substring.

Together with 68585371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68585329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34292684 + 34292685.

It is an arithmetic number, because the mean of its divisors is an integer number (34292685).

Almost surely, 2^68585369 is an apocalyptic number.

It is an amenable number.

68585369 is a deficient number, since it is larger than the sum of its proper divisors (1).

68585369 is an equidigital number, since it uses as much as digits as its factorization.

68585369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1555200, while the sum is 50.

The square root of 68585369 is about 8281.6284026754. The cubic root of 68585369 is about 409.3333783530. Note that the first 4 decimals are identical.

The spelling of 68585369 in words is "sixty-eight million, five hundred eighty-five thousand, three hundred sixty-nine".