63964099 has 2 divisors, whose sum is σ = 63964100. Its totient is φ = 63964098.

The previous prime is 63964097. The next prime is 63964139. The reversal of 63964099 is 99046936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63964099 - 2¹ = 63964097 is a prime.

Together with 63964097, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63964093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31982049 + 31982050.

It is an arithmetic number, because the mean of its divisors is an integer number (31982050).

Almost surely, 2^63964099 is an apocalyptic number.

63964099 is a deficient number, since it is larger than the sum of its proper divisors (1).

63964099 is an equidigital number, since it uses as much as digits as its factorization.

63964099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 63964099 is about 7997.7558727433. The cubic root of 63964099 is about 399.9251922604.

The spelling of 63964099 in words is "sixty-three million, nine hundred sixty-four thousand, ninety-nine".