63319393 has 2 divisors, whose sum is σ = 63319394. Its totient is φ = 63319392.

The previous prime is 63319363. The next prime is 63319409. The reversal of 63319393 is 39391336.

63319393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51437584 + 11881809 = 7172^2 + 3447^2 .

It is a cyclic number.

It is not a de Polignac number, because 63319393 - 2²⁵ = 29764961 is a prime.

It is not a weakly prime, because it can be changed into another prime (63319303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31659696 + 31659697.

It is an arithmetic number, because the mean of its divisors is an integer number (31659697).

Almost surely, 2^63319393 is an apocalyptic number.

It is an amenable number.

63319393 is a deficient number, since it is larger than the sum of its proper divisors (1).

63319393 is an equidigital number, since it uses as much as digits as its factorization.

63319393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39366, while the sum is 37.

The square root of 63319393 is about 7957.3483648763. The cubic root of 63319393 is about 398.5770125195.

The spelling of 63319393 in words is "sixty-three million, three hundred nineteen thousand, three hundred ninety-three".