5344305821 has 4 divisors (see below), whose sum is σ = 5345220444. Its totient is φ = 5343391200.

The previous prime is 5344305817. The next prime is 5344305833. The reversal of 5344305821 is 1285034435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1285034435 = 5 ⋅257006887.

It can be written as a sum of positive squares in 2 ways, for example, as 4898040196 + 446265625 = 69986^2 + 21125^2 .

It is a cyclic number.

It is not a de Polignac number, because 5344305821 - 2² = 5344305817 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 (5344305881) 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, 448490 + ... + 460251.

It is an arithmetic number, because the mean of its divisors is an integer number (1336305111).

Almost surely, 2^5344305821 is an apocalyptic number.

It is an amenable number.

5344305821 is a deficient number, since it is larger than the sum of its proper divisors (914623).

5344305821 is an equidigital number, since it uses as much as digits as its factorization.

5344305821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914622.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 5344305821 is about 73104.7592226389. The cubic root of 5344305821 is about 1748.3582775890.

The spelling of 5344305821 in words is "five billion, three hundred forty-four million, three hundred five thousand, eight hundred twenty-one".