63641159 has 4 divisors (see below), whose sum is σ = 63907680. Its totient is φ = 63374640.

The previous prime is 63641153. The next prime is 63641177. The reversal of 63641159 is 95114636.

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 63641159 - 2²⁰ = 62592583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63641153) 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, 132902 + ... + 133379.

It is an arithmetic number, because the mean of its divisors is an integer number (15976920).

Almost surely, 2^63641159 is an apocalyptic number.

63641159 is a deficient number, since it is larger than the sum of its proper divisors (266521).

63641159 is a wasteful number, since it uses less digits than its factorization.

63641159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266520.

The product of its digits is 19440, while the sum is 35.

The square root of 63641159 is about 7977.5409118349. The cubic root of 63641159 is about 399.2510130049.

The spelling of 63641159 in words is "sixty-three million, six hundred forty-one thousand, one hundred fifty-nine".