964444469 has 2 divisors, whose sum is σ = 964444470. Its totient is φ = 964444468.

The previous prime is 964444451. The next prime is 964444471.

964444469 is nontrivially palindromic in base 10.

964444469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932386225 + 32058244 = 30535^2 + 5662^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964444469 is a prime.

It is a super-2 number, since 2×964444469² = 1860306267569383922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 964444471, it forms a pair of twin primes.

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 (964444409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482222234 + 482222235.

It is an arithmetic number, because the mean of its divisors is an integer number (482222235).

Almost surely, 2^964444469 is an apocalyptic number.

It is an amenable number.

964444469 is a deficient number, since it is larger than the sum of its proper divisors (1).

964444469 is an equidigital number, since it uses as much as digits as its factorization.

964444469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 50.

The square root of 964444469 is about 31055.5062589551. The cubic root of 964444469 is about 988.0048479631.

The spelling of 964444469 in words is "nine hundred sixty-four million, four hundred forty-four thousand, four hundred sixty-nine".