5643769 has 2 divisors, whose sum is σ = 5643770. Its totient is φ = 5643768.

The previous prime is 5643733. The next prime is 5643787. The reversal of 5643769 is 9673465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5405625 + 238144 = 2325^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 5643769 - 2⁷ = 5643641 is a prime.

It is a super-2 number, since 2×5643769² = 63704257050722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5643709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821884 + 2821885.

It is an arithmetic number, because the mean of its divisors is an integer number (2821885).

Almost surely, 2^5643769 is an apocalyptic number.

It is an amenable number.

5643769 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643769 is an equidigital number, since it uses as much as digits as its factorization.

5643769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 5643769 is about 2375.6618025300. The cubic root of 5643769 is about 178.0422510484.

The spelling of 5643769 in words is "five million, six hundred forty-three thousand, seven hundred sixty-nine".