63956463 has 4 divisors (see below), whose sum is σ = 85275288. Its totient is φ = 42637640.

The previous prime is 63956447. The next prime is 63956467. The reversal of 63956463 is 36465936.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63956463 - 2⁴ = 63956447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63956467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10659408 + ... + 10659413.

It is an arithmetic number, because the mean of its divisors is an integer number (21318822).

Almost surely, 2^63956463 is an apocalyptic number.

63956463 is a deficient number, since it is larger than the sum of its proper divisors (21318825).

63956463 is a wasteful number, since it uses less digits than its factorization.

63956463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21318824.

The product of its digits is 349920, while the sum is 42.

The square root of 63956463 is about 7997.2784745812. The cubic root of 63956463 is about 399.9092773417.

The spelling of 63956463 in words is "sixty-three million, nine hundred fifty-six thousand, four hundred sixty-three".