63880045329 has 4 divisors (see below), whose sum is σ = 85173393776. Its totient is φ = 42586696884.

The previous prime is 63880045303. The next prime is 63880045349. The reversal of 63880045329 is 92354008836.

63880045329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63880045329 - 2⁵ = 63880045297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63880045349) 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, 10646674219 + ... + 10646674224.

It is an arithmetic number, because the mean of its divisors is an integer number (21293348444).

Almost surely, 2^63880045329 is an apocalyptic number.

It is an amenable number.

63880045329 is a deficient number, since it is larger than the sum of its proper divisors (21293348447).

63880045329 is a wasteful number, since it uses less digits than its factorization.

63880045329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21293348446.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 63880045329 in words is "sixty-three billion, eight hundred eighty million, forty-five thousand, three hundred twenty-nine".