18250214803 has 2 divisors, whose sum is σ = 18250214804. Its totient is φ = 18250214802.

The previous prime is 18250214713. The next prime is 18250214849. The reversal of 18250214803 is 30841205281.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30841205281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18250214803 - 2²¹ = 18248117651 is a prime.

It is not a weakly prime, because it can be changed into another prime (18250214603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9125107401 + 9125107402.

It is an arithmetic number, because the mean of its divisors is an integer number (9125107402).

Almost surely, 2^18250214803 is an apocalyptic number.

18250214803 is a deficient number, since it is larger than the sum of its proper divisors (1).

18250214803 is an equidigital number, since it uses as much as digits as its factorization.

18250214803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 34.

The spelling of 18250214803 in words is "eighteen billion, two hundred fifty million, two hundred fourteen thousand, eight hundred three".