69689117689 has 8 divisors (see below), whose sum is σ = 71128824840. Its totient is φ = 68254033536.

The previous prime is 69689117683. The next prime is 69689117713. The reversal of 69689117689 is 98671198696.

It can be written as a sum of positive squares in 4 ways, for example, as 10692594025 + 58996523664 = 103405^2 + 242892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 69689117689 - 2²⁷ = 69554899961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69689117683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125282 + ... + 1185595.

It is an arithmetic number, because the mean of its divisors is an integer number (8891103105).

Almost surely, 2^69689117689 is an apocalyptic number.

It is an amenable number.

69689117689 is a deficient number, since it is larger than the sum of its proper divisors (1439707151).

69689117689 is a wasteful number, since it uses less digits than its factorization.

69689117689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311499.

The product of its digits is 70543872, while the sum is 70.

The spelling of 69689117689 in words is "sixty-nine billion, six hundred eighty-nine million, one hundred seventeen thousand, six hundred eighty-nine".