6896558969 has 4 divisors (see below), whose sum is σ = 6899726160. Its totient is φ = 6893391780.

The previous prime is 6896558951. The next prime is 6896558971. The reversal of 6896558969 is 9698556986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6896558969 is a prime.

It is a super-2 number, since 2×6896558969² = 95125051225788685922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6896558989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580327 + ... + 1584684.

It is an arithmetic number, because the mean of its divisors is an integer number (1724931540).

Almost surely, 2^6896558969 is an apocalyptic number.

It is an amenable number.

6896558969 is a deficient number, since it is larger than the sum of its proper divisors (3167191).

6896558969 is a wasteful number, since it uses less digits than its factorization.

6896558969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167190.

The product of its digits is 251942400, while the sum is 71.

The square root of 6896558969 is about 83045.5234735744. The cubic root of 6896558969 is about 1903.4617378422.

The spelling of 6896558969 in words is "six billion, eight hundred ninety-six million, five hundred fifty-eight thousand, nine hundred sixty-nine".