63317144239 has 4 divisors (see below), whose sum is σ = 63319226920. Its totient is φ = 63315061560.

The previous prime is 63317144183. The next prime is 63317144251. The reversal of 63317144239 is 93244171336.

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 63317144239 - 2⁹ = 63317143727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63317144195 and 63317144204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63357144239) 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, 995052 + ... + 1056769.

It is an arithmetic number, because the mean of its divisors is an integer number (15829806730).

Almost surely, 2^63317144239 is an apocalyptic number.

63317144239 is a deficient number, since it is larger than the sum of its proper divisors (2082681).

63317144239 is a wasteful number, since it uses less digits than its factorization.

63317144239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082680.

The product of its digits is 326592, while the sum is 43.

The spelling of 63317144239 in words is "sixty-three billion, three hundred seventeen million, one hundred forty-four thousand, two hundred thirty-nine".