4489627138 has 64 divisors (see below), whose sum is σ = 7519430880. Its totient is φ = 2008221696.

The previous prime is 4489627123. The next prime is 4489627147. The reversal of 4489627138 is 8317269844.

It can be written as a sum of positive squares in 16 ways, for example, as 1541897289 + 2947729849 = 39267^2 + 54293^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19268670 + ... + 19268902.

Almost surely, 2^4489627138 is an apocalyptic number.

4489627138 is a deficient number, since it is larger than the sum of its proper divisors (3029803742).

4489627138 is a wasteful number, since it uses less digits than its factorization.

4489627138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 342 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 4489627138 is about 67004.6799708796. The cubic root of 4489627138 is about 1649.6941138507.

The spelling of 4489627138 in words is "four billion, four hundred eighty-nine million, six hundred twenty-seven thousand, one hundred thirty-eight".