969644071 has 8 divisors (see below), whose sum is σ = 1091916288. Its totient is φ = 853059000.

The previous prime is 969644069. The next prime is 969644083. The reversal of 969644071 is 170446969.

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

It is a cyclic number.

It is not a de Polignac number, because 969644071 - 2¹ = 969644069 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 (969644021) 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, 1421425 + ... + 1422106.

It is an arithmetic number, because the mean of its divisors is an integer number (136489536).

Almost surely, 2^969644071 is an apocalyptic number.

969644071 is a deficient number, since it is larger than the sum of its proper divisors (122272217).

969644071 is a wasteful number, since it uses less digits than its factorization.

969644071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843573.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 969644071 is about 31139.1083847948. The cubic root of 969644071 is about 989.7772076288. Note that the first 3 decimals are identical.

The spelling of 969644071 in words is "nine hundred sixty-nine million, six hundred forty-four thousand, seventy-one".