63708389338 has 16 divisors (see below), whose sum is σ = 110382450624. Its totient is φ = 27254925760.

The previous prime is 63708389317. The next prime is 63708389369. The reversal of 63708389338 is 83398380736.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85171270 + ... + 85172017.

It is an arithmetic number, because the mean of its divisors is an integer number (6898903164).

Almost surely, 2^63708389338 is an apocalyptic number.

63708389338 is a deficient number, since it is larger than the sum of its proper divisors (46674061286).

63708389338 is a wasteful number, since it uses less digits than its factorization.

63708389338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170343317.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 63708389338 in words is "sixty-three billion, seven hundred eight million, three hundred eighty-nine thousand, three hundred thirty-eight".