68590695269 has 4 divisors (see below), whose sum is σ = 68591660940. Its totient is φ = 68589729600.

The previous prime is 68590695259. The next prime is 68590695347. The reversal of 68590695269 is 96259609586.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 748679044 + 67842016225 = 27362^2 + 260465^2 .

It is a cyclic number.

It is not a de Polignac number, because 68590695269 - 2²⁸ = 68322259813 is a prime.

It is a super-2 number, since 2×68590695269² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68590695259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367034 + ... + 521435.

It is an arithmetic number, because the mean of its divisors is an integer number (17147915235).

Almost surely, 2^68590695269 is an apocalyptic number.

It is an amenable number.

68590695269 is a deficient number, since it is larger than the sum of its proper divisors (965671).

68590695269 is an equidigital number, since it uses as much as digits as its factorization.

68590695269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965670.

The product of its (nonzero) digits is 62985600, while the sum is 65.

The spelling of 68590695269 in words is "sixty-eight billion, five hundred ninety million, six hundred ninety-five thousand, two hundred sixty-nine".