969000991 has 8 divisors (see below), whose sum is σ = 1112026784. Its totient is φ = 827124480.

The previous prime is 969000979. The next prime is 969001027. The reversal of 969000991 is 199000969.

969000991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 969000991 - 2⁵ = 969000959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969000911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285510 + ... + 288883.

It is an arithmetic number, because the mean of its divisors is an integer number (139003348).

Almost surely, 2^969000991 is an apocalyptic number.

969000991 is a deficient number, since it is larger than the sum of its proper divisors (143025793).

969000991 is a wasteful number, since it uses less digits than its factorization.

969000991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574641.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 969000991 is about 31128.7807502960. The cubic root of 969000991 is about 989.5583483894.

The spelling of 969000991 in words is "nine hundred sixty-nine million, nine hundred ninety-one", and thus it is an aban number.