5201939221 has 4 divisors (see below), whose sum is σ = 5369743744. Its totient is φ = 5034134700.

The previous prime is 5201939207. The next prime is 5201939231. The reversal of 5201939221 is 1229391025.

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 5201939221 - 2⁵ = 5201939189 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 (5201939231) 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, 83902215 + ... + 83902276.

It is an arithmetic number, because the mean of its divisors is an integer number (1342435936).

Almost surely, 2^5201939221 is an apocalyptic number.

It is an amenable number.

5201939221 is a deficient number, since it is larger than the sum of its proper divisors (167804523).

5201939221 is a wasteful number, since it uses less digits than its factorization.

5201939221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167804522.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 5201939221 is about 72124.4703342770. The cubic root of 5201939221 is about 1732.6935466163.

The spelling of 5201939221 in words is "five billion, two hundred one million, nine hundred thirty-nine thousand, two hundred twenty-one".