5198364823 has 2 divisors, whose sum is σ = 5198364824. Its totient is φ = 5198364822.

The previous prime is 5198364817. The next prime is 5198364833. The reversal of 5198364823 is 3284638915.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5198364823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5198364833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2599182411 + 2599182412.

It is an arithmetic number, because the mean of its divisors is an integer number (2599182412).

Almost surely, 2^5198364823 is an apocalyptic number.

5198364823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5198364823 is an equidigital number, since it uses as much as digits as its factorization.

5198364823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 5198364823 is about 72099.6867052833. The cubic root of 5198364823 is about 1732.2965949435.

The spelling of 5198364823 in words is "five billion, one hundred ninety-eight million, three hundred sixty-four thousand, eight hundred twenty-three".