4866993138 has 32 divisors (see below), whose sum is σ = 11778943104. Its totient is φ = 1308771072.

The previous prime is 4866993113. The next prime is 4866993167. The reversal of 4866993138 is 8313996684.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3407545 + ... + 3408972.

It is an arithmetic number, because the mean of its divisors is an integer number (368091972).

Almost surely, 2^4866993138 is an apocalyptic number.

4866993138 is an abundant number, since it is smaller than the sum of its proper divisors (6911949966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4866993138 is a wasteful number, since it uses less digits than its factorization.

4866993138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6816546.

The product of its digits is 6718464, while the sum is 57.

The square root of 4866993138 is about 69763.8383261701. The cubic root of 4866993138 is about 1694.6769064213.

The spelling of 4866993138 in words is "four billion, eight hundred sixty-six million, nine hundred ninety-three thousand, one hundred thirty-eight".