964442244469 has 4 divisors (see below), whose sum is σ = 1052118812160. Its totient is φ = 876765676780.

The previous prime is 964442244463. The next prime is 964442244503.

It is a happy number.

964442244469 is nontrivially palindromic in base 10.

964442244469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 964442244469 - 2³¹ = 962294760821 is a prime.

It is a super-2 number, since 2×964442244469² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964442244463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43838283829 + ... + 43838283850.

It is an arithmetic number, because the mean of its divisors is an integer number (263029703040).

Almost surely, 2^964442244469 is an apocalyptic number.

It is an amenable number.

964442244469 is a deficient number, since it is larger than the sum of its proper divisors (87676567691).

964442244469 is a wasteful number, since it uses less digits than its factorization.

964442244469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87676567690.

The product of its digits is 47775744, while the sum is 58.

The spelling of 964442244469 in words is "nine hundred sixty-four billion, four hundred forty-two million, two hundred forty-four thousand, four hundred sixty-nine".