18285297303 has 64 divisors (see below), whose sum is σ = 30400634880. Its totient is φ = 9519057792.

The previous prime is 18285297281. The next prime is 18285297319. The reversal of 18285297303 is 30379258281.

It is a happy number.

It is not a de Polignac number, because 18285297303 - 2¹⁴ = 18285280919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18285297403) 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 in 63 ways as a sum of consecutive naturals, for example, 8966758 + ... + 8968796.

It is an arithmetic number, because the mean of its divisors is an integer number (475009920).

Almost surely, 2^18285297303 is an apocalyptic number.

18285297303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18285297303 is a deficient number, since it is larger than the sum of its proper divisors (12115337577).

18285297303 is a wasteful number, since it uses less digits than its factorization.

18285297303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 18285297303 in words is "eighteen billion, two hundred eighty-five million, two hundred ninety-seven thousand, three hundred three".