18245795863 has 2 divisors, whose sum is σ = 18245795864. Its totient is φ = 18245795862.

The previous prime is 18245795807. The next prime is 18245795947. The reversal of 18245795863 is 36859754281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18245795863 - 2¹³ = 18245787671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18245795798 and 18245795807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18245795263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9122897931 + 9122897932.

It is an arithmetic number, because the mean of its divisors is an integer number (9122897932).

Almost surely, 2^18245795863 is an apocalyptic number.

18245795863 is a deficient number, since it is larger than the sum of its proper divisors (1).

18245795863 is an equidigital number, since it uses as much as digits as its factorization.

18245795863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14515200, while the sum is 58.

The spelling of 18245795863 in words is "eighteen billion, two hundred forty-five million, seven hundred ninety-five thousand, eight hundred sixty-three".