969984961 has 4 divisors (see below), whose sum is σ = 1058165424. Its totient is φ = 881804500.

The previous prime is 969984907. The next prime is 969984971. The reversal of 969984961 is 169489969.

969984961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-969984961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 969984961.

It is not an unprimeable number, because it can be changed into a prime (969984901) 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, 44090215 + ... + 44090236.

It is an arithmetic number, because the mean of its divisors is an integer number (264541356).

Almost surely, 2^969984961 is an apocalyptic number.

It is an amenable number.

969984961 is a deficient number, since it is larger than the sum of its proper divisors (88180463).

969984961 is a wasteful number, since it uses less digits than its factorization.

969984961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88180462.

The product of its digits is 7558272, while the sum is 61.

The square root of 969984961 is about 31144.5815672646. The cubic root of 969984961 is about 989.8931833875.

The spelling of 969984961 in words is "nine hundred sixty-nine million, nine hundred eighty-four thousand, nine hundred sixty-one".