68006008269 has 10 divisors (see below), whose sum is σ = 101589222350. Its totient is φ = 45337338792.

The previous prime is 68006008261. The next prime is 68006008319. The reversal of 68006008269 is 96280060086.

It can be written as a sum of positive squares in only one way, i.e., 55207611369 + 12798396900 = 234963^2 + 113130^2 .

It is not a de Polignac number, because 68006008269 - 2³ = 68006008261 is a prime.

It is a super-2 number, since 2×68006008269² (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 (68006008261) 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 in 9 ways as a sum of consecutive naturals, for example, 419790094 + ... + 419790255.

It is an arithmetic number, because the mean of its divisors is an integer number (10158922235).

Almost surely, 2^68006008269 is an apocalyptic number.

It is an amenable number.

68006008269 is a deficient number, since it is larger than the sum of its proper divisors (33583214081).

68006008269 is an equidigital number, since it uses as much as digits as its factorization.

68006008269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839580361 (or 839580352 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 68006008269 in words is "sixty-eight billion, six million, eight thousand, two hundred sixty-nine".