969567489 has 40 divisors (see below), whose sum is σ = 1606028160. Its totient is φ = 577951200.

The previous prime is 969567463. The next prime is 969567491. The reversal of 969567489 is 984765969.

It is a happy number.

969567489 is a `hidden beast` number, since 9 + 6 + 95 + 67 + 489 = 666.

It is not a de Polignac number, because 969567489 - 2⁹ = 969566977 is a prime.

It is a super-2 number, since 2×969567489² = 1880122231451530242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (969567419) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45432 + ... + 63270.

It is an arithmetic number, because the mean of its divisors is an integer number (40150704).

Almost surely, 2^969567489 is an apocalyptic number.

969567489 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

969567489 is a deficient number, since it is larger than the sum of its proper divisors (636460671).

969567489 is a wasteful number, since it uses less digits than its factorization.

969567489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17923 (or 17914 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The square root of 969567489 is about 31137.8786849715. The cubic root of 969567489 is about 989.7511495744.

The spelling of 969567489 in words is "nine hundred sixty-nine million, five hundred sixty-seven thousand, four hundred eighty-nine".