964404388397 has 2 divisors, whose sum is σ = 964404388398. Its totient is φ = 964404388396.

The previous prime is 964404388393. The next prime is 964404388399. The reversal of 964404388397 is 793883404469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 962388468196 + 2015920201 = 981014^2 + 44899^2 .

It is an emirp because it is prime and its reverse (793883404469) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 964404388397 - 2² = 964404388393 is a prime.

Together with 964404388399, it forms a pair of twin primes.

It is a Chen prime.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482202194198 + 482202194199.

It is an arithmetic number, because the mean of its divisors is an integer number (482202194199).

Almost surely, 2^964404388397 is an apocalyptic number.

It is an amenable number.

964404388397 is a deficient number, since it is larger than the sum of its proper divisors (1).

964404388397 is an equidigital number, since it uses as much as digits as its factorization.

964404388397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125411328, while the sum is 65.

The spelling of 964404388397 in words is "nine hundred sixty-four billion, four hundred four million, three hundred eighty-eight thousand, three hundred ninety-seven".