63455963 has 2 divisors, whose sum is σ = 63455964. Its totient is φ = 63455962.

The previous prime is 63455957. The next prime is 63455981. The reversal of 63455963 is 36955436.

63455963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63455963 - 2¹⁶ = 63390427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63455963.

It is not a weakly prime, because it can be changed into another prime (63455983) 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, 31727981 + 31727982.

It is an arithmetic number, because the mean of its divisors is an integer number (31727982).

Almost surely, 2^63455963 is an apocalyptic number.

63455963 is a deficient number, since it is larger than the sum of its proper divisors (1).

63455963 is an equidigital number, since it uses as much as digits as its factorization.

63455963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 41.

The square root of 63455963 is about 7965.9251189049. The cubic root of 63455963 is about 398.8633627822.

The spelling of 63455963 in words is "sixty-three million, four hundred fifty-five thousand, nine hundred sixty-three".