4985939447 has 4 divisors (see below), whose sum is σ = 5001869280. Its totient is φ = 4970009616.

The previous prime is 4985939423. The next prime is 4985939489. The reversal of 4985939447 is 7449395894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4985939447 - 2¹⁶ = 4985873911 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 4985939447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4985939417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7964447 + ... + 7965072.

It is an arithmetic number, because the mean of its divisors is an integer number (1250467320).

Almost surely, 2^4985939447 is an apocalyptic number.

4985939447 is a deficient number, since it is larger than the sum of its proper divisors (15929833).

4985939447 is a wasteful number, since it uses less digits than its factorization.

4985939447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15929832.

The product of its digits is 39191040, while the sum is 62.

The square root of 4985939447 is about 70611.1849992620. The cubic root of 4985939447 is about 1708.3715613374.

The spelling of 4985939447 in words is "four billion, nine hundred eighty-five million, nine hundred thirty-nine thousand, four hundred forty-seven".