544371309 has 12 divisors (see below), whose sum is σ = 805493052. Its totient is φ = 354062400.

The previous prime is 544371287. The next prime is 544371313. The reversal of 544371309 is 903173445.

It can be written as a sum of positive squares in 2 ways, for example, as 33385284 + 510986025 = 5778^2 + 22605^2 .

It is not a de Polignac number, because 544371309 - 2⁵ = 544371277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544371319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737262 + ... + 737999.

It is an arithmetic number, because the mean of its divisors is an integer number (67124421).

Almost surely, 2^544371309 is an apocalyptic number.

It is an amenable number.

544371309 is a deficient number, since it is larger than the sum of its proper divisors (261121743).

544371309 is a wasteful number, since it uses less digits than its factorization.

544371309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475308 (or 1475305 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 544371309 is about 23331.7660926043. The cubic root of 544371309 is about 816.5167079557.

The spelling of 544371309 in words is "five hundred forty-four million, three hundred seventy-one thousand, three hundred nine".