5444351989 has 2 divisors, whose sum is σ = 5444351990. Its totient is φ = 5444351988.

The previous prime is 5444351963. The next prime is 5444352037. The reversal of 5444351989 is 9891534445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4851819025 + 592532964 = 69655^2 + 24342^2 .

It is a cyclic number.

It is not a de Polignac number, because 5444351989 - 2⁹ = 5444351477 is a prime.

It is a super-3 number, since 3×5444351989³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5444351959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2722175994 + 2722175995.

It is an arithmetic number, because the mean of its divisors is an integer number (2722175995).

Almost surely, 2^5444351989 is an apocalyptic number.

It is an amenable number.

5444351989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5444351989 is an equidigital number, since it uses as much as digits as its factorization.

5444351989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3110400, while the sum is 52.

The square root of 5444351989 is about 73785.8522279170. The cubic root of 5444351989 is about 1759.2007378337.

The spelling of 5444351989 in words is "five billion, four hundred forty-four million, three hundred fifty-one thousand, nine hundred eighty-nine".