5220998191 has 2 divisors, whose sum is σ = 5220998192. Its totient is φ = 5220998190.

The previous prime is 5220998177. The next prime is 5220998221. The reversal of 5220998191 is 1918990225.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5220998191 is a prime.

It is a super-2 number, since 2×5220998191² = 54517644220850544962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5220998141) 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, 2610499095 + 2610499096.

It is an arithmetic number, because the mean of its divisors is an integer number (2610499096).

Almost surely, 2^5220998191 is an apocalyptic number.

5220998191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5220998191 is an equidigital number, since it uses as much as digits as its factorization.

5220998191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 5220998191 is about 72256.4750800923. The cubic root of 5220998191 is about 1734.8070600754.

The spelling of 5220998191 in words is "five billion, two hundred twenty million, nine hundred ninety-eight thousand, one hundred ninety-one".