964931969 has 2 divisors, whose sum is σ = 964931970. Its totient is φ = 964931968.

The previous prime is 964931941. The next prime is 964931999. The reversal of 964931969 is 969139469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863184400 + 101747569 = 29380^2 + 10087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964931969 is a prime.

It is a super-2 number, since 2×964931969² = 1862187409596433922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (964931909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482465984 + 482465985.

It is an arithmetic number, because the mean of its divisors is an integer number (482465985).

Almost surely, 2^964931969 is an apocalyptic number.

It is an amenable number.

964931969 is a deficient number, since it is larger than the sum of its proper divisors (1).

964931969 is an equidigital number, since it uses as much as digits as its factorization.

964931969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2834352, while the sum is 56.

The square root of 964931969 is about 31063.3541170299. The cubic root of 964931969 is about 988.1712896290.

The spelling of 964931969 in words is "nine hundred sixty-four million, nine hundred thirty-one thousand, nine hundred sixty-nine".