964043909340469 has 4 divisors (see below), whose sum is σ = 964065095767296. Its totient is φ = 964022722913644.

The previous prime is 964043909340451. The next prime is 964043909340481.

It is a happy number.

964043909340469 is nontrivially palindromic in base 10.

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 964043909340469 - 2⁹ = 964043909339957 is a prime.

It is a super-2 number, since 2×964043909340469² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 964043909340398 and 964043909340407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964043909340269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10593145159 + ... + 10593236164.

It is an arithmetic number, because the mean of its divisors is an integer number (241016273941824).

Almost surely, 2^{964043909340469} is an apocalyptic number.

It is an amenable number.

964043909340469 is a deficient number, since it is larger than the sum of its proper divisors (21186426827).

964043909340469 is a wasteful number, since it uses less digits than its factorization.

964043909340469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21186426826.

The product of its (nonzero) digits is 544195584, while the sum is 70.

The spelling of 964043909340469 in words is "nine hundred sixty-four trillion, forty-three billion, nine hundred nine million, three hundred forty thousand, four hundred sixty-nine".