5640467191 has 2 divisors, whose sum is σ = 5640467192. Its totient is φ = 5640467190.

The previous prime is 5640467149. The next prime is 5640467219. The reversal of 5640467191 is 1917640465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5640467191 - 2¹¹ = 5640465143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5640467101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820233595 + 2820233596.

It is an arithmetic number, because the mean of its divisors is an integer number (2820233596).

Almost surely, 2^5640467191 is an apocalyptic number.

5640467191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5640467191 is an equidigital number, since it uses as much as digits as its factorization.

5640467191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 5640467191 is about 75103.0438198080. The cubic root of 5640467191 is about 1780.0752388977.

The spelling of 5640467191 in words is "five billion, six hundred forty million, four hundred sixty-seven thousand, one hundred ninety-one".