969767969 has 4 divisors (see below), whose sum is σ = 979183296. Its totient is φ = 960352644.

The previous prime is 969767959. The next prime is 969767971.

969767969 is nontrivially palindromic in base 10.

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-969767969 is a prime.

It is a super-2 number, since 2×969767969² = 1880899827396769922, 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 = 969767899 and 969767908.

It is not an unprimeable number, because it can be changed into a prime (969767959) 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, 4707509 + ... + 4707714.

It is an arithmetic number, because the mean of its divisors is an integer number (244795824).

Almost surely, 2^969767969 is an apocalyptic number.

It is an amenable number.

969767969 is a deficient number, since it is larger than the sum of its proper divisors (9415327).

969767969 is a wasteful number, since it uses less digits than its factorization.

969767969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9415326.

The product of its digits is 69441624, while the sum is 68.

The square root of 969767969 is about 31141.0977487949. The cubic root of 969767969 is about 989.8193626825.

The spelling of 969767969 in words is "nine hundred sixty-nine million, seven hundred sixty-seven thousand, nine hundred sixty-nine".