969389213 has 8 divisors (see below), whose sum is σ = 1054295256. Its totient is φ = 885960000.

The previous prime is 969389207. The next prime is 969389237. The reversal of 969389213 is 312983969.

It can be written as a sum of positive squares in 4 ways, for example, as 217916644 + 751472569 = 14762^2 + 27413^2 .

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 969389213 - 2²⁴ = 952611997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (969389203) 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, 367838 + ... + 370463.

It is an arithmetic number, because the mean of its divisors is an integer number (131786907).

Almost surely, 2^969389213 is an apocalyptic number.

It is an amenable number.

969389213 is a deficient number, since it is larger than the sum of its proper divisors (84906043).

969389213 is a wasteful number, since it uses less digits than its factorization.

969389213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738415.

The product of its digits is 629856, while the sum is 50.

The square root of 969389213 is about 31135.0158663843. The cubic root of 969389213 is about 989.6904834548.

The spelling of 969389213 in words is "nine hundred sixty-nine million, three hundred eighty-nine thousand, two hundred thirteen".