68045253269 has 32 divisors (see below), whose sum is σ = 82867276800. Its totient is φ = 54543218688.

The previous prime is 68045253197. The next prime is 68045253271. The reversal of 68045253269 is 96235254086.

It is not a de Polignac number, because 68045253269 - 2²⁸ = 67776817813 is a prime.

It is a super-2 number, since 2×68045253269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68045253169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24590324 + ... + 24593090.

It is an arithmetic number, because the mean of its divisors is an integer number (2589602400).

Almost surely, 2^68045253269 is an apocalyptic number.

It is an amenable number.

68045253269 is a deficient number, since it is larger than the sum of its proper divisors (14822023531).

68045253269 is a wasteful number, since it uses less digits than its factorization.

68045253269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 68045253269 in words is "sixty-eight billion, forty-five million, two hundred fifty-three thousand, two hundred sixty-nine".