6964328639 has 2 divisors, whose sum is σ = 6964328640. Its totient is φ = 6964328638.

The previous prime is 6964328629. The next prime is 6964328641. The reversal of 6964328639 is 9368234696.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6964328639 is a prime.

Together with 6964328641, 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 (6964328629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3482164319 + 3482164320.

It is an arithmetic number, because the mean of its divisors is an integer number (3482164320).

Almost surely, 2^6964328639 is an apocalyptic number.

6964328639 is a deficient number, since it is larger than the sum of its proper divisors (1).

6964328639 is an equidigital number, since it uses as much as digits as its factorization.

6964328639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 56.

The square root of 6964328639 is about 83452.5532203779. The cubic root of 6964328639 is about 1909.6762733602.

The spelling of 6964328639 in words is "six billion, nine hundred sixty-four million, three hundred twenty-eight thousand, six hundred thirty-nine".