5321948821 has 16 divisors (see below), whose sum is σ = 6459163776. Its totient is φ = 4280564736.

The previous prime is 5321948809. The next prime is 5321948851. The reversal of 5321948821 is 1288491235.

5321948821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5321948821 - 2⁹ = 5321948309 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 (5321948851) 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, 26251 + ... + 106456.

It is an arithmetic number, because the mean of its divisors is an integer number (403697736).

Almost surely, 2^5321948821 is an apocalyptic number.

It is an amenable number.

5321948821 is a deficient number, since it is larger than the sum of its proper divisors (1137214955).

5321948821 is a wasteful number, since it uses less digits than its factorization.

5321948821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133068.

The product of its digits is 138240, while the sum is 43.

The square root of 5321948821 is about 72951.6882669620. The cubic root of 5321948821 is about 1745.9168829264.

The spelling of 5321948821 in words is "five billion, three hundred twenty-one million, nine hundred forty-eight thousand, eight hundred twenty-one".