63863389039 has 4 divisors (see below), whose sum is σ = 63874961920. Its totient is φ = 63851816160.

The previous prime is 63863389033. The next prime is 63863389043. The reversal of 63863389039 is 93098336836.

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 63863389039 - 2²¹ = 63861291887 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 (63863389033) 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, 5778159 + ... + 5789200.

It is an arithmetic number, because the mean of its divisors is an integer number (15968740480).

Almost surely, 2^63863389039 is an apocalyptic number.

63863389039 is a deficient number, since it is larger than the sum of its proper divisors (11572881).

63863389039 is a wasteful number, since it uses less digits than its factorization.

63863389039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572880.

The product of its (nonzero) digits is 15116544, while the sum is 58.

The spelling of 63863389039 in words is "sixty-three billion, eight hundred sixty-three million, three hundred eighty-nine thousand, thirty-nine".