964909469 has 2 divisors, whose sum is σ = 964909470. Its totient is φ = 964909468.

The previous prime is 964909453. The next prime is 964909487.

964909469 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 900300025 + 64609444 = 30005^2 + 8038^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 964909469 - 2⁴ = 964909453 is a prime.

It is a super-2 number, since 2×964909469² = 1862100566731723922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964909499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482454734 + 482454735.

It is an arithmetic number, because the mean of its divisors is an integer number (482454735).

Almost surely, 2^964909469 is an apocalyptic number.

It is an amenable number.

964909469 is a deficient number, since it is larger than the sum of its proper divisors (1).

964909469 is an equidigital number, since it uses as much as digits as its factorization.

964909469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 56.

The square root of 964909469 is about 31062.9919518388. The cubic root of 964909469 is about 988.1636089401.

The spelling of 964909469 in words is "nine hundred sixty-four million, nine hundred nine thousand, four hundred sixty-nine".