969473231 has 2 divisors, whose sum is σ = 969473232. Its totient is φ = 969473230.

The previous prime is 969473209. The next prime is 969473279. The reversal of 969473231 is 132374969.

It is a weak prime.

It is an emirp because it is prime and its reverse (132374969) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-969473231 is a prime.

It is a super-2 number, since 2×969473231² = 1879756691251158722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969473201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484736615 + 484736616.

It is an arithmetic number, because the mean of its divisors is an integer number (484736616).

Almost surely, 2^969473231 is an apocalyptic number.

969473231 is a deficient number, since it is larger than the sum of its proper divisors (1).

969473231 is an equidigital number, since it uses as much as digits as its factorization.

969473231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 969473231 is about 31136.3650897146. The cubic root of 969473231 is about 989.7190751397.

The spelling of 969473231 in words is "nine hundred sixty-nine million, four hundred seventy-three thousand, two hundred thirty-one".