68926432569 has 16 divisors (see below), whose sum is σ = 93063091968. Its totient is φ = 45373163472.

The previous prime is 68926432511. The next prime is 68926432577. The reversal of 68926432569 is 96523462986.

It is a happy number.

It is not a de Polignac number, because 68926432569 - 2¹⁷ = 68926301497 is a prime.

It is a super-2 number, since 2×68926432569² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68926432469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251167 + ... + 448260.

It is an arithmetic number, because the mean of its divisors is an integer number (5816443248).

Almost surely, 2^68926432569 is an apocalyptic number.

It is an amenable number.

68926432569 is a deficient number, since it is larger than the sum of its proper divisors (24136659399).

68926432569 is a wasteful number, since it uses less digits than its factorization.

68926432569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699844.

The product of its digits is 33592320, while the sum is 60.

The spelling of 68926432569 in words is "sixty-eight billion, nine hundred twenty-six million, four hundred thirty-two thousand, five hundred sixty-nine".