5643401191 has 2 divisors, whose sum is σ = 5643401192. Its totient is φ = 5643401190.

The previous prime is 5643401129. The next prime is 5643401219. The reversal of 5643401191 is 1911043465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5643401191 - 2¹¹ = 5643399143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5643401891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821700595 + 2821700596.

It is an arithmetic number, because the mean of its divisors is an integer number (2821700596).

Almost surely, 2^5643401191 is an apocalyptic number.

5643401191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5643401191 is an equidigital number, since it uses as much as digits as its factorization.

5643401191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 5643401191 is about 75122.5744433722. The cubic root of 5643401191 is about 1780.3838324512.

The spelling of 5643401191 in words is "five billion, six hundred forty-three million, four hundred one thousand, one hundred ninety-one".