5641876771 has 2 divisors, whose sum is σ = 5641876772. Its totient is φ = 5641876770.

The previous prime is 5641876741. The next prime is 5641876859. The reversal of 5641876771 is 1776781465.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5641876771 - 2⁹ = 5641876259 is a prime.

It is not a weakly prime, because it can be changed into another prime (5641876741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820938385 + 2820938386.

It is an arithmetic number, because the mean of its divisors is an integer number (2820938386).

Almost surely, 2^5641876771 is an apocalyptic number.

5641876771 is a deficient number, since it is larger than the sum of its proper divisors (1).

5641876771 is an equidigital number, since it uses as much as digits as its factorization.

5641876771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 52.

The square root of 5641876771 is about 75112.4275403212. The cubic root of 5641876771 is about 1780.2235096811.

The spelling of 5641876771 in words is "five billion, six hundred forty-one million, eight hundred seventy-six thousand, seven hundred seventy-one".