63411863 has 2 divisors, whose sum is σ = 63411864. Its totient is φ = 63411862.

The previous prime is 63411857. The next prime is 63411889. The reversal of 63411863 is 36811436.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63411863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63410863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31705931 + 31705932.

It is an arithmetic number, because the mean of its divisors is an integer number (31705932).

Almost surely, 2^63411863 is an apocalyptic number.

63411863 is a deficient number, since it is larger than the sum of its proper divisors (1).

63411863 is an equidigital number, since it uses as much as digits as its factorization.

63411863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 63411863 is about 7963.1565977318. The cubic root of 63411863 is about 398.7709419923.

The spelling of 63411863 in words is "sixty-three million, four hundred eleven thousand, eight hundred sixty-three".