4439834894 has 16 divisors (see below), whose sum is σ = 7267034880. Its totient is φ = 2017592760.

The previous prime is 4439834863. The next prime is 4439834897. The reversal of 4439834894 is 4984389344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4439834897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70667 + ... + 117785.

It is an arithmetic number, because the mean of its divisors is an integer number (454189680).

Almost surely, 2^4439834894 is an apocalyptic number.

4439834894 is a deficient number, since it is larger than the sum of its proper divisors (2827199986).

4439834894 is a wasteful number, since it uses less digits than its factorization.

4439834894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51415.

The product of its digits is 11943936, while the sum is 56.

The square root of 4439834894 is about 66632.0860697007. The cubic root of 4439834894 is about 1643.5727798181.

The spelling of 4439834894 in words is "four billion, four hundred thirty-nine million, eight hundred thirty-four thousand, eight hundred ninety-four".