969684641 has 8 divisors (see below), whose sum is σ = 1054474920. Its totient is φ = 887977728.

The previous prime is 969684593. The next prime is 969684643. The reversal of 969684641 is 146486969.

It is a happy number.

969684641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 692795041 + 276889600 = 26321^2 + 16640^2 .

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

It is not a de Polignac number, because 969684641 - 2²⁶ = 902575777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (969684643) 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, 770186 + ... + 771443.

It is an arithmetic number, because the mean of its divisors is an integer number (131809365).

Almost surely, 2^969684641 is an apocalyptic number.

It is an amenable number.

969684641 is a deficient number, since it is larger than the sum of its proper divisors (84790279).

969684641 is a wasteful number, since it uses less digits than its factorization.

969684641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541683.

The product of its digits is 2239488, while the sum is 53.

The square root of 969684641 is about 31139.7598096068. The cubic root of 969684641 is about 989.7910115604.

The spelling of 969684641 in words is "nine hundred sixty-nine million, six hundred eighty-four thousand, six hundred forty-one".