63224138509 has 12 divisors (see below), whose sum is σ = 75918914688. Its totient is φ = 52443984600.

The previous prime is 63224138477. The next prime is 63224138543. The reversal of 63224138509 is 90583142236.

It is not a de Polignac number, because 63224138509 - 2⁵ = 63224138477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63224138309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20809587 + ... + 20812624.

It is an arithmetic number, because the mean of its divisors is an integer number (6326576224).

Almost surely, 2^63224138509 is an apocalyptic number.

It is an amenable number.

63224138509 is a deficient number, since it is larger than the sum of its proper divisors (12694776179).

63224138509 is a wasteful number, since it uses less digits than its factorization.

63224138509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41622256 (or 41622249 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 63224138509 in words is "sixty-three billion, two hundred twenty-four million, one hundred thirty-eight thousand, five hundred nine".