63969359 has 2 divisors, whose sum is σ = 63969360. Its totient is φ = 63969358.

The previous prime is 63969349. The next prime is 63969379. The reversal of 63969359 is 95396936.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63969359 - 2⁴ = 63969343 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63969319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31984679 + 31984680.

It is an arithmetic number, because the mean of its divisors is an integer number (31984680).

Almost surely, 2^63969359 is an apocalyptic number.

63969359 is a deficient number, since it is larger than the sum of its proper divisors (1).

63969359 is an equidigital number, since it uses as much as digits as its factorization.

63969359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1180980, while the sum is 50.

The square root of 63969359 is about 7998.0847082286. The cubic root of 63969359 is about 399.9361543932.

The spelling of 63969359 in words is "sixty-three million, nine hundred sixty-nine thousand, three hundred fifty-nine".