18612485303 has 2 divisors, whose sum is σ = 18612485304. Its totient is φ = 18612485302.

The previous prime is 18612485299. The next prime is 18612485321. The reversal of 18612485303 is 30358421681.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18612485303 - 2² = 18612485299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18612485383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9306242651 + 9306242652.

It is an arithmetic number, because the mean of its divisors is an integer number (9306242652).

Almost surely, 2^18612485303 is an apocalyptic number.

18612485303 is a deficient number, since it is larger than the sum of its proper divisors (1).

18612485303 is an equidigital number, since it uses as much as digits as its factorization.

18612485303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 18612485303 in words is "eighteen billion, six hundred twelve million, four hundred eighty-five thousand, three hundred three".