63708389339 has 12 divisors (see below), whose sum is σ = 74210905584. Its totient is φ = 54532661904.

The previous prime is 63708389317. The next prime is 63708389369. The reversal of 63708389339 is 93398380736.

It is not a de Polignac number, because 63708389339 - 2¹² = 63708385243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63708389369) 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 11 ways as a sum of consecutive naturals, for example, 850967 + ... + 922800.

It is an arithmetic number, because the mean of its divisors is an integer number (6184242132).

Almost surely, 2^63708389339 is an apocalyptic number.

63708389339 is a deficient number, since it is larger than the sum of its proper divisors (10502516245).

63708389339 is a wasteful number, since it uses less digits than its factorization.

63708389339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774514 (or 1774507 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 63708389339 in words is "sixty-three billion, seven hundred eight million, three hundred eighty-nine thousand, three hundred thirty-nine".