18282019102 has 4 divisors (see below), whose sum is σ = 27423028656. Its totient is φ = 9141009550.

The previous prime is 18282019097. The next prime is 18282019109. The reversal of 18282019102 is 20191028281.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20191028281 = 19 ⋅1062685699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18282019109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4570504774 + ... + 4570504777.

It is an arithmetic number, because the mean of its divisors is an integer number (6855757164).

Almost surely, 2^18282019102 is an apocalyptic number.

18282019102 is a deficient number, since it is larger than the sum of its proper divisors (9141009554).

18282019102 is an equidigital number, since it uses as much as digits as its factorization.

18282019102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141009553.

The product of its (nonzero) digits is 4608, while the sum is 34.

The spelling of 18282019102 in words is "eighteen billion, two hundred eighty-two million, nineteen thousand, one hundred two".