4493881388 has 12 divisors (see below), whose sum is σ = 8326897992. Its totient is φ = 2114767680.

The previous prime is 4493881363. The next prime is 4493881391. The reversal of 4493881388 is 8831883944.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33043178 + ... + 33043313.

It is an arithmetic number, because the mean of its divisors is an integer number (693908166).

Almost surely, 2^4493881388 is an apocalyptic number.

It is an amenable number.

4493881388 is a deficient number, since it is larger than the sum of its proper divisors (3833016604).

4493881388 is a wasteful number, since it uses less digits than its factorization.

4493881388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66086512 (or 66086510 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 56.

The square root of 4493881388 is about 67036.4183709124. The cubic root of 4493881388 is about 1650.2150179539.

The spelling of 4493881388 in words is "four billion, four hundred ninety-three million, eight hundred eighty-one thousand, three hundred eighty-eight".