5644645177 has 2 divisors, whose sum is σ = 5644645178. Its totient is φ = 5644645176.

The previous prime is 5644645157. The next prime is 5644645189. The reversal of 5644645177 is 7715464465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5592646656 + 51998521 = 74784^2 + 7211^2 .

It is a cyclic number.

It is not a de Polignac number, because 5644645177 - 2¹¹ = 5644643129 is a prime.

It is a super-4 number, since 4×5644645177⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 5644645177.

It is not a weakly prime, because it can be changed into another prime (5644645147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822322588 + 2822322589.

It is an arithmetic number, because the mean of its divisors is an integer number (2822322589).

Almost surely, 2^5644645177 is an apocalyptic number.

It is an amenable number.

5644645177 is a deficient number, since it is larger than the sum of its proper divisors (1).

5644645177 is an equidigital number, since it uses as much as digits as its factorization.

5644645177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2822400, while the sum is 49.

The square root of 5644645177 is about 75130.8536954027. The cubic root of 5644645177 is about 1780.5146406744.

The spelling of 5644645177 in words is "five billion, six hundred forty-four million, six hundred forty-five thousand, one hundred seventy-seven".