4493394493 has 16 divisors (see below), whose sum is σ = 5448171520. Its totient is φ = 3620027376.

The previous prime is 4493394449. The next prime is 4493394497. The reversal of 4493394493 is 3944933944.

It is a de Polignac number, because none of the positive numbers 2^k-4493394493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4493394493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4493394497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116121 + ... + 149902.

It is an arithmetic number, because the mean of its divisors is an integer number (340510720).

Almost surely, 2^4493394493 is an apocalyptic number.

It is an amenable number.

4493394493 is a deficient number, since it is larger than the sum of its proper divisors (954777027).

4493394493 is a wasteful number, since it uses less digits than its factorization.

4493394493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266176.

The product of its digits is 5038848, while the sum is 52.

The square root of 4493394493 is about 67032.7867017328. The cubic root of 4493394493 is about 1650.1554176224.

The spelling of 4493394493 in words is "four billion, four hundred ninety-three million, three hundred ninety-four thousand, four hundred ninety-three".