544403413 has 4 divisors (see below), whose sum is σ = 551861068. Its totient is φ = 536945760.

The previous prime is 544403401. The next prime is 544403423. The reversal of 544403413 is 314304445.

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 141919569 + 402483844 = 11913^2 + 20062^2 .

It is a cyclic number.

It is not a de Polignac number, because 544403413 - 2²⁹ = 7532501 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 (544403423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728718 + ... + 3728863.

It is an arithmetic number, because the mean of its divisors is an integer number (137965267).

Almost surely, 2^544403413 is an apocalyptic number.

It is an amenable number.

544403413 is a deficient number, since it is larger than the sum of its proper divisors (7457655).

544403413 is an equidigital number, since it uses as much as digits as its factorization.

544403413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457654.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 544403413 is about 23332.4540715288. The cubic root of 544403413 is about 816.5327588488.

Adding to 544403413 its reverse (314304445), we get a palindrome (858707858).

The spelling of 544403413 in words is "five hundred forty-four million, four hundred three thousand, four hundred thirteen".