5039985221 has 4 divisors (see below), whose sum is σ = 5079670272. Its totient is φ = 5000300172.

The previous prime is 5039985161. The next prime is 5039985227. The reversal of 5039985221 is 1225899305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5039985221 - 2²² = 5035790917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5039985227) 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, 19842335 + ... + 19842588.

It is an arithmetic number, because the mean of its divisors is an integer number (1269917568).

Almost surely, 2^5039985221 is an apocalyptic number.

It is an amenable number.

5039985221 is a deficient number, since it is larger than the sum of its proper divisors (39685051).

5039985221 is a wasteful number, since it uses less digits than its factorization.

5039985221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39685050.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 5039985221 is about 70992.8533093297. The cubic root of 5039985221 is about 1714.5221006048.

The spelling of 5039985221 in words is "five billion, thirty-nine million, nine hundred eighty-five thousand, two hundred twenty-one".