5644206562655 has 16 divisors (see below), whose sum is σ = 6959593945344. Its totient is φ = 4391123685120.

The previous prime is 5644206562633. The next prime is 5644206562693. The reversal of 5644206562655 is 5562656024465.

It is not a de Polignac number, because 5644206562655 - 2²⁴ = 5644189785439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5644206562655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7285391 + ... + 8022800.

It is an arithmetic number, because the mean of its divisors is an integer number (434974621584).

Almost surely, 2^{5644206562655} is an apocalyptic number.

5644206562655 is a deficient number, since it is larger than the sum of its proper divisors (1315387382689).

5644206562655 is a wasteful number, since it uses less digits than its factorization.

5644206562655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15310226.

The product of its (nonzero) digits is 51840000, while the sum is 56.

The spelling of 5644206562655 in words is "five trillion, six hundred forty-four billion, two hundred six million, five hundred sixty-two thousand, six hundred fifty-five".