18484849820892 has 96 divisors (see below), whose sum is σ = 53092798617600. Its totient is φ = 4874381194752.

The previous prime is 18484849820873. The next prime is 18484849820897. The reversal of 18484849820892 is 29802894848481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18484849820897) 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 31 ways as a sum of consecutive naturals, for example, 5884909 + ... + 8461787.

It is an arithmetic number, because the mean of its divisors is an integer number (553049985600).

Almost surely, 2^{18484849820892} is an apocalyptic number.

18484849820892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18484849820892 is an abundant number, since it is smaller than the sum of its proper divisors (34607948796708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18484849820892 is a wasteful number, since it uses less digits than its factorization.

18484849820892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583475 (or 2583473 counting only the distinct ones).

The product of its (nonzero) digits is 679477248, while the sum is 75.

The spelling of 18484849820892 in words is "eighteen trillion, four hundred eighty-four billion, eight hundred forty-nine million, eight hundred twenty thousand, eight hundred ninety-two".