5329581021 has 24 divisors (see below), whose sum is σ = 7897291584. Its totient is φ = 3461451840.

The previous prime is 5329581013. The next prime is 5329581077. The reversal of 5329581021 is 1201859235.

5329581021 is a `hidden beast` number, since 53 + 2 + 9 + 581 + 0 + 21 = 666.

It is not a de Polignac number, because 5329581021 - 2³ = 5329581013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5329581011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258330 + ... + 278196.

It is an arithmetic number, because the mean of its divisors is an integer number (329053816).

Almost surely, 2^5329581021 is an apocalyptic number.

It is an amenable number.

5329581021 is a deficient number, since it is larger than the sum of its proper divisors (2567710563).

5329581021 is a wasteful number, since it uses less digits than its factorization.

5329581021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20641 (or 20638 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 5329581021 is about 73003.9794874225. The cubic root of 5329581021 is about 1746.7510899982.

The spelling of 5329581021 in words is "five billion, three hundred twenty-nine million, five hundred eighty-one thousand, twenty-one".