5581874191 has 2 divisors, whose sum is σ = 5581874192. Its totient is φ = 5581874190.

The previous prime is 5581874119. The next prime is 5581874203. The reversal of 5581874191 is 1914781855.

Together with previous prime (5581874119) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5581874191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5581874101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790937095 + 2790937096.

It is an arithmetic number, because the mean of its divisors is an integer number (2790937096).

Almost surely, 2^5581874191 is an apocalyptic number.

5581874191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5581874191 is an equidigital number, since it uses as much as digits as its factorization.

5581874191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 49.

The square root of 5581874191 is about 74711.9414217031. The cubic root of 5581874191 is about 1773.8899828057.

The spelling of 5581874191 in words is "five billion, five hundred eighty-one million, eight hundred seventy-four thousand, one hundred ninety-one".