18485309367 has 12 divisors (see below), whose sum is σ = 30515431440. Its totient is φ = 10563033888.

The previous prime is 18485309347. The next prime is 18485309377. The reversal of 18485309367 is 76390358481.

18485309367 is a `hidden beast` number, since 1 + 8 + 48 + 530 + 9 + 3 + 67 = 666.

It is not a de Polignac number, because 18485309367 - 2¹² = 18485305271 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18485309347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146708742 + ... + 146708867.

It is an arithmetic number, because the mean of its divisors is an integer number (2542952620).

Almost surely, 2^18485309367 is an apocalyptic number.

18485309367 is a deficient number, since it is larger than the sum of its proper divisors (12030122073).

18485309367 is a wasteful number, since it uses less digits than its factorization.

18485309367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293417622 (or 293417619 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 18485309367 in words is "eighteen billion, four hundred eighty-five million, three hundred nine thousand, three hundred sixty-seven".