964404388399 has 2 divisors, whose sum is σ = 964404388400. Its totient is φ = 964404388398.

The previous prime is 964404388397. The next prime is 964404388439. The reversal of 964404388399 is 993883404469.

964404388399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 964404388399 - 2¹ = 964404388397 is a prime.

Together with 964404388397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964404388393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482202194199 + 482202194200.

It is an arithmetic number, because the mean of its divisors is an integer number (482202194200).

Almost surely, 2^964404388399 is an apocalyptic number.

964404388399 is a deficient number, since it is larger than the sum of its proper divisors (1).

964404388399 is an equidigital number, since it uses as much as digits as its factorization.

964404388399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 964404388399 in words is "nine hundred sixty-four billion, four hundred four million, three hundred eighty-eight thousand, three hundred ninety-nine".