5245219169 has 2 divisors, whose sum is σ = 5245219170. Its totient is φ = 5245219168.

The previous prime is 5245219157. The next prime is 5245219229. The reversal of 5245219169 is 9619125425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4259259169 + 985960000 = 65263^2 + 31400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5245219169 is a prime.

It is a super-2 number, since 2×5245219169² = 55024648261690101122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5245215169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622609584 + 2622609585.

It is an arithmetic number, because the mean of its divisors is an integer number (2622609585).

Almost surely, 2^5245219169 is an apocalyptic number.

It is an amenable number.

5245219169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5245219169 is an equidigital number, since it uses as much as digits as its factorization.

5245219169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 5245219169 is about 72423.8853486887. The cubic root of 5245219169 is about 1737.4855972721.

The spelling of 5245219169 in words is "five billion, two hundred forty-five million, two hundred nineteen thousand, one hundred sixty-nine".