5444488421 has 2 divisors, whose sum is σ = 5444488422. Its totient is φ = 5444488420.

The previous prime is 5444488339. The next prime is 5444488453. The reversal of 5444488421 is 1248844445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4273890625 + 1170597796 = 65375^2 + 34214^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5444488421 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5444488921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722244210 + 2722244211.

It is an arithmetic number, because the mean of its divisors is an integer number (2722244211).

Almost surely, 2^5444488421 is an apocalyptic number.

It is an amenable number.

5444488421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5444488421 is an equidigital number, since it uses as much as digits as its factorization.

5444488421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 655360, while the sum is 44.

The square root of 5444488421 is about 73786.7767354016. The cubic root of 5444488421 is about 1759.2154325283.

The spelling of 5444488421 in words is "five billion, four hundred forty-four million, four hundred eighty-eight thousand, four hundred twenty-one".