63243144573 has 32 divisors (see below), whose sum is σ = 97251624960. Its totient is φ = 35810026560.

The previous prime is 63243144553. The next prime is 63243144599. The reversal of 63243144573 is 37544134236.

It is a happy number.

It is not a de Polignac number, because 63243144573 - 2⁶ = 63243144509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63243144533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983536 + ... + 1045862.

It is an arithmetic number, because the mean of its divisors is an integer number (3039113280).

Almost surely, 2^63243144573 is an apocalyptic number.

It is an amenable number.

63243144573 is a deficient number, since it is larger than the sum of its proper divisors (34008480387).

63243144573 is a wasteful number, since it uses less digits than its factorization.

63243144573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62777.

The product of its digits is 725760, while the sum is 42.

The spelling of 63243144573 in words is "sixty-three billion, two hundred forty-three million, one hundred forty-four thousand, five hundred seventy-three".