5644425365 has 4 divisors (see below), whose sum is σ = 6773310444. Its totient is φ = 4515540288.

The previous prime is 5644425337. The next prime is 5644425383. The reversal of 5644425365 is 5635244465.

It is a happy number.

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 2820778321 + 2823647044 = 53111^2 + 53138^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644425365 - 2¹⁰ = 5644424341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564442532 + ... + 564442541.

It is an arithmetic number, because the mean of its divisors is an integer number (1693327611).

Almost surely, 2^5644425365 is an apocalyptic number.

It is an amenable number.

5644425365 is a deficient number, since it is larger than the sum of its proper divisors (1128885079).

5644425365 is a wasteful number, since it uses less digits than its factorization.

5644425365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128885078.

The product of its digits is 1728000, while the sum is 44.

The square root of 5644425365 is about 75129.3908201045. The cubic root of 5644425365 is about 1780.4915282937.

Subtracting from 5644425365 its reverse (5635244465), we obtain a square (9180900 = 3030²).

The spelling of 5644425365 in words is "five billion, six hundred forty-four million, four hundred twenty-five thousand, three hundred sixty-five".