63993113 has 2 divisors, whose sum is σ = 63993114. Its totient is φ = 63993112.

The previous prime is 63993089. The next prime is 63993119. The reversal of 63993113 is 31139936.

63993113 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., 55160329 + 8832784 = 7427^2 + 2972^2 .

It is a cyclic number.

It is not a de Polignac number, because 63993113 - 2⁸ = 63992857 is a prime.

It is a super-2 number, since 2×63993113² = 8190237022861538, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (63993119) 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, 31996556 + 31996557.

It is an arithmetic number, because the mean of its divisors is an integer number (31996557).

Almost surely, 2^63993113 is an apocalyptic number.

It is an amenable number.

63993113 is a deficient number, since it is larger than the sum of its proper divisors (1).

63993113 is an equidigital number, since it uses as much as digits as its factorization.

63993113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 35.

The square root of 63993113 is about 7999.5695509196. The cubic root of 63993113 is about 399.9856515686.

The spelling of 63993113 in words is "sixty-three million, nine hundred ninety-three thousand, one hundred thirteen".