5644312505 has 16 divisors (see below), whose sum is σ = 7349880384. Its totient is φ = 4136283840.

The previous prime is 5644312469. The next prime is 5644312523. The reversal of 5644312505 is 5052134465.

5644312505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5644312505 - 2¹⁴ = 5644296121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322919 + ... + 339948.

It is an arithmetic number, because the mean of its divisors is an integer number (459367524).

Almost surely, 2^5644312505 is an apocalyptic number.

It is an amenable number.

5644312505 is a deficient number, since it is larger than the sum of its proper divisors (1705567879).

5644312505 is a wasteful number, since it uses less digits than its factorization.

5644312505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663016.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 5644312505 is about 75128.6397121630. The cubic root of 5644312505 is about 1780.4796612685.

The spelling of 5644312505 in words is "five billion, six hundred forty-four million, three hundred twelve thousand, five hundred five".