5143576221 has 20 divisors (see below), whose sum is σ = 8781273952. Its totient is φ = 2939186088.

The previous prime is 5143576189. The next prime is 5143576231. The reversal of 5143576221 is 1226753415.

It is not a de Polignac number, because 5143576221 - 2⁵ = 5143576189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143576231) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4535215 + ... + 4536348.

Almost surely, 2^5143576221 is an apocalyptic number.

It is an amenable number.

5143576221 is a deficient number, since it is larger than the sum of its proper divisors (3637697731).

5143576221 is an equidigital number, since it uses as much as digits as its factorization.

5143576221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9071582 (or 9071573 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 5143576221 is about 71718.7299176442. The cubic root of 5143576221 is about 1726.1891928518.

The spelling of 5143576221 in words is "five billion, one hundred forty-three million, five hundred seventy-six thousand, two hundred twenty-one".