6869890689 has 32 divisors (see below), whose sum is σ = 9928106496. Its totient is φ = 4208977920.

The previous prime is 6869890681. The next prime is 6869890691. The reversal of 6869890689 is 9860989686.

It is not a de Polignac number, because 6869890689 - 2³ = 6869890681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6869890681) 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, 1101909 + ... + 1108125.

It is an arithmetic number, because the mean of its divisors is an integer number (310253328).

Almost surely, 2^6869890689 is an apocalyptic number.

It is an amenable number.

6869890689 is a deficient number, since it is larger than the sum of its proper divisors (3058215807).

6869890689 is a wasteful number, since it uses less digits than its factorization.

6869890689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6745.

The product of its (nonzero) digits is 80621568, while the sum is 69.

The square root of 6869890689 is about 82884.8037278246. The cubic root of 6869890689 is about 1901.0050720237.

The spelling of 6869890689 in words is "six billion, eight hundred sixty-nine million, eight hundred ninety thousand, six hundred eighty-nine".