63314809 has 2 divisors, whose sum is σ = 63314810. Its totient is φ = 63314808.

The previous prime is 63314761. The next prime is 63314813. The reversal of 63314809 is 90841336.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63154809 + 160000 = 7947^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 63314809 - 2⁹ = 63314297 is a prime.

It is not a weakly prime, because it can be changed into another prime (63314869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31657404 + 31657405.

It is an arithmetic number, because the mean of its divisors is an integer number (31657405).

Almost surely, 2^63314809 is an apocalyptic number.

It is an amenable number.

63314809 is a deficient number, since it is larger than the sum of its proper divisors (1).

63314809 is an equidigital number, since it uses as much as digits as its factorization.

63314809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 63314809 is about 7957.0603240141. The cubic root of 63314809 is about 398.5673939754.

The spelling of 63314809 in words is "sixty-three million, three hundred fourteen thousand, eight hundred nine".