6989116869 has 24 divisors (see below), whose sum is σ = 11587996160. Its totient is φ = 3976332768.

The previous prime is 6989116861. The next prime is 6989116903. The reversal of 6989116869 is 9686119896.

It is not a de Polignac number, because 6989116869 - 2³ = 6989116861 is a prime.

It is a super-2 number, since 2×6989116869² = 97695509217080726322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

6989116869 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989116861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227797 + ... + 256650.

Almost surely, 2^6989116869 is an apocalyptic number.

It is an amenable number.

6989116869 is a deficient number, since it is larger than the sum of its proper divisors (4598879291).

6989116869 is a wasteful number, since it uses less digits than its factorization.

6989116869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484689 (or 484686 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The square root of 6989116869 is about 83600.9382064579. The cubic root of 6989116869 is about 1911.9393028130.

The spelling of 6989116869 in words is "six billion, nine hundred eighty-nine million, one hundred sixteen thousand, eight hundred sixty-nine".