5198265823 has 2 divisors, whose sum is σ = 5198265824. Its totient is φ = 5198265822.

The previous prime is 5198265773. The next prime is 5198265869. The reversal of 5198265823 is 3285628915.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5198265823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5198265223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599132911 + 2599132912.

It is an arithmetic number, because the mean of its divisors is an integer number (2599132912).

Almost surely, 2^5198265823 is an apocalyptic number.

5198265823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198265823 is an equidigital number, since it uses as much as digits as its factorization.

5198265823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1036800, while the sum is 49.

The square root of 5198265823 is about 72099.0001525680. Note that the first 3 decimals coincide. The cubic root of 5198265823 is about 1732.2855979949.

The spelling of 5198265823 in words is "five billion, one hundred ninety-eight million, two hundred sixty-five thousand, eight hundred twenty-three".