18284870102 has 4 divisors (see below), whose sum is σ = 27427305156. Its totient is φ = 9142435050.

The previous prime is 18284870099. The next prime is 18284870111. The reversal of 18284870102 is 20107848281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20107848281 = 139 ⋅144660779.

It is a self number, because there is not a number n which added to its sum of digits gives 18284870102.

It is a congruent number.

It is an unprimeable number.

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, 4571217524 + ... + 4571217527.

It is an arithmetic number, because the mean of its divisors is an integer number (6856826289).

Almost surely, 2^18284870102 is an apocalyptic number.

18284870102 is a deficient number, since it is larger than the sum of its proper divisors (9142435054).

18284870102 is an equidigital number, since it uses as much as digits as its factorization.

18284870102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142435053.

The product of its (nonzero) digits is 57344, while the sum is 41.

The spelling of 18284870102 in words is "eighteen billion, two hundred eighty-four million, eight hundred seventy thousand, one hundred two".