5299943521 has 16 divisors (see below), whose sum is σ = 5603480064. Its totient is φ = 5002804224.

The previous prime is 5299943437. The next prime is 5299943527. The reversal of 5299943521 is 1253499925.

It is a cyclic number.

It is not a de Polignac number, because 5299943521 - 2⁷ = 5299943393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5299943527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 815541 + ... + 822013.

It is an arithmetic number, because the mean of its divisors is an integer number (350217504).

Almost surely, 2^5299943521 is an apocalyptic number.

It is an amenable number.

5299943521 is a deficient number, since it is larger than the sum of its proper divisors (303536543).

5299943521 is a wasteful number, since it uses less digits than its factorization.

5299943521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960.

The product of its digits is 874800, while the sum is 49.

The square root of 5299943521 is about 72800.7109924072. The cubic root of 5299943521 is about 1743.5072080423.

The spelling of 5299943521 in words is "five billion, two hundred ninety-nine million, nine hundred forty-three thousand, five hundred twenty-one".