18399810249283 has 2 divisors, whose sum is σ = 18399810249284. Its totient is φ = 18399810249282.

The previous prime is 18399810249229. The next prime is 18399810249371. The reversal of 18399810249283 is 38294201899381.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18399810249283 - 2¹⁷ = 18399810118211 is a prime.

It is not a weakly prime, because it can be changed into another prime (18399810249203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9199905124641 + 9199905124642.

It is an arithmetic number, because the mean of its divisors is an integer number (9199905124642).

Almost surely, 2^{18399810249283} is an apocalyptic number.

18399810249283 is a deficient number, since it is larger than the sum of its proper divisors (1).

18399810249283 is an equidigital number, since it uses as much as digits as its factorization.

18399810249283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53747712, while the sum is 67.

The spelling of 18399810249283 in words is "eighteen trillion, three hundred ninety-nine billion, eight hundred ten million, two hundred forty-nine thousand, two hundred eighty-three".