18300234836 has 48 divisors (see below), whose sum is σ = 35695607808. Its totient is φ = 8152185600.

The previous prime is 18300234833. The next prime is 18300234839. The reversal of 18300234836 is 63843200381.

It is an interprime number because it is at equal distance from previous prime (18300234833) and next prime (18300234839).

It is a self number, because there is not a number n which added to its sum of digits gives 18300234836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18300234833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602576 + ... + 632216.

It is an arithmetic number, because the mean of its divisors is an integer number (743658496).

Almost surely, 2^18300234836 is an apocalyptic number.

It is an amenable number.

18300234836 is a deficient number, since it is larger than the sum of its proper divisors (17395372972).

18300234836 is a wasteful number, since it uses less digits than its factorization.

18300234836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30072 (or 30070 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 18300234836 in words is "eighteen billion, three hundred million, two hundred thirty-four thousand, eight hundred thirty-six".