969686969 has 8 divisors (see below), whose sum is σ = 1012227072. Its totient is φ = 927178560.

The previous prime is 969686947. The next prime is 969687053.

969686969 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969686969 is a prime.

It is a super-2 number, since 2×969686969² = 1880585635696813922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 969686899 and 969686908.

It is not an unprimeable number, because it can be changed into a prime (969686929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71777 + ... + 84209.

It is an arithmetic number, because the mean of its divisors is an integer number (126528384).

Almost surely, 2^969686969 is an apocalyptic number.

It is an amenable number.

969686969 is a deficient number, since it is larger than the sum of its proper divisors (42540103).

969686969 is a wasteful number, since it uses less digits than its factorization.

969686969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15847.

The product of its digits is 68024448, while the sum is 68.

The square root of 969686969 is about 31139.7971894487. The cubic root of 969686969 is about 989.7918036500.

The spelling of 969686969 in words is "nine hundred sixty-nine million, six hundred eighty-six thousand, nine hundred sixty-nine".