63143454983 has 4 divisors (see below), whose sum is σ = 72163948560. Its totient is φ = 54122961408.

The previous prime is 63143454953. The next prime is 63143454989. The reversal of 63143454983 is 38945434136.

63143454983 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.

It is a cyclic number.

It is not a de Polignac number, because 63143454983 - 2⁸ = 63143454727 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 (63143454989) 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, 4510246778 + ... + 4510246791.

It is an arithmetic number, because the mean of its divisors is an integer number (18040987140).

Almost surely, 2^63143454983 is an apocalyptic number.

63143454983 is a deficient number, since it is larger than the sum of its proper divisors (9020493577).

63143454983 is an equidigital number, since it uses as much as digits as its factorization.

63143454983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9020493576.

The product of its digits is 3732480, while the sum is 50.

The spelling of 63143454983 in words is "sixty-three billion, one hundred forty-three million, four hundred fifty-four thousand, nine hundred eighty-three".