1818291828202 has 16 divisors (see below), whose sum is σ = 2729056991040. Its totient is φ = 908606256768.

The previous prime is 1818291828187. The next prime is 1818291828203. The reversal of 1818291828202 is 2028281928181.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1818291828202.

It is not an unprimeable number, because it can be changed into a prime (1818291828203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64880949 + ... + 64908967.

It is an arithmetic number, because the mean of its divisors is an integer number (170566061940).

Almost surely, 2^{1818291828202} is an apocalyptic number.

1818291828202 is a deficient number, since it is larger than the sum of its proper divisors (910765162838).

1818291828202 is a wasteful number, since it uses less digits than its factorization.

1818291828202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46125.

The product of its (nonzero) digits is 589824, while the sum is 52.

The spelling of 1818291828202 in words is "one trillion, eight hundred eighteen billion, two hundred ninety-one million, eight hundred twenty-eight thousand, two hundred two".