5444401513 has 4 divisors (see below), whose sum is σ = 5454176580. Its totient is φ = 5434626448.

The previous prime is 5444401511. The next prime is 5444401537. The reversal of 5444401513 is 3151044445.

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 1001912409 + 4442489104 = 31653^2 + 66652^2 .

It is a cyclic number.

It is not a de Polignac number, because 5444401513 - 2¹ = 5444401511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5444401511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4886698 + ... + 4887811.

It is an arithmetic number, because the mean of its divisors is an integer number (1363544145).

Almost surely, 2^5444401513 is an apocalyptic number.

It is an amenable number.

5444401513 is a deficient number, since it is larger than the sum of its proper divisors (9775067).

5444401513 is an equidigital number, since it uses as much as digits as its factorization.

5444401513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9775066.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 5444401513 is about 73786.1878199436. The cubic root of 5444401513 is about 1759.2060719483.

Adding to 5444401513 its reverse (3151044445), we get a palindrome (8595445958).

The spelling of 5444401513 in words is "five billion, four hundred forty-four million, four hundred one thousand, five hundred thirteen".