5188009091 has 2 divisors, whose sum is σ = 5188009092. Its totient is φ = 5188009090.

The previous prime is 5188009067. The next prime is 5188009133. The reversal of 5188009091 is 1909008815.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5188009091 is a prime.

It is not a weakly prime, because it can be changed into another prime (5188009691) 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, 2594004545 + 2594004546.

It is an arithmetic number, because the mean of its divisors is an integer number (2594004546).

Almost surely, 2^5188009091 is an apocalyptic number.

5188009091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5188009091 is an equidigital number, since it uses as much as digits as its factorization.

5188009091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 41.

The square root of 5188009091 is about 72027.8355290509. The cubic root of 5188009091 is about 1731.1455198522.

The spelling of 5188009091 in words is "five billion, one hundred eighty-eight million, nine thousand, ninety-one".