63982430544999 has 4 divisors (see below), whose sum is σ = 85309907393336. Its totient is φ = 42654953696664.

The previous prime is 63982430544979. The next prime is 63982430545031. The reversal of 63982430544999 is 99944503428936.

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

It is not a de Polignac number, because 63982430544999 - 2⁷ = 63982430544871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63982430544999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63982430544979) 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, 10663738424164 + ... + 10663738424169.

It is an arithmetic number, because the mean of its divisors is an integer number (21327476848334).

Almost surely, 2^{63982430544999} is an apocalyptic number.

63982430544999 is a deficient number, since it is larger than the sum of its proper divisors (21327476848337).

63982430544999 is a wasteful number, since it uses less digits than its factorization.

63982430544999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327476848336.

The product of its (nonzero) digits is 1813985280, while the sum is 75.

The spelling of 63982430544999 in words is "sixty-three trillion, nine hundred eighty-two billion, four hundred thirty million, five hundred forty-four thousand, nine hundred ninety-nine".