5189944345 has 4 divisors (see below), whose sum is σ = 6227933220. Its totient is φ = 4151955472.

The previous prime is 5189944321. The next prime is 5189944349. The reversal of 5189944345 is 5434499815.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2755410064 + 2434534281 = 52492^2 + 49341^2 .

It is a cyclic number.

It is not a de Polignac number, because 5189944345 - 2⁷ = 5189944217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5189944292 and 5189944301.

It is not an unprimeable number, because it can be changed into a prime (5189944349) 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 in 3 ways as a sum of consecutive naturals, for example, 518994430 + ... + 518994439.

It is an arithmetic number, because the mean of its divisors is an integer number (1556983305).

Almost surely, 2^5189944345 is an apocalyptic number.

It is an amenable number.

5189944345 is a deficient number, since it is larger than the sum of its proper divisors (1037988875).

5189944345 is a wasteful number, since it uses less digits than its factorization.

5189944345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037988874.

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

The square root of 5189944345 is about 72041.2683466914. The cubic root of 5189944345 is about 1731.3607462682.

The spelling of 5189944345 in words is "five billion, one hundred eighty-nine million, nine hundred forty-four thousand, three hundred forty-five".