1818923073882 has 16 divisors (see below), whose sum is σ = 3637932448800. Its totient is φ = 606293307792.

The previous prime is 1818923073841. The next prime is 1818923073887. The reversal of 1818923073882 is 2883703298181.

It is a super-2 number, since 2×1818923073882² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1818923073887) 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, 3320257 + ... + 3829092.

It is an arithmetic number, because the mean of its divisors is an integer number (227370778050).

Almost surely, 2^{1818923073882} is an apocalyptic number.

1818923073882 is an abundant number, since it is smaller than the sum of its proper divisors (1819009374918).

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

1818923073882 is a wasteful number, since it uses less digits than its factorization.

1818923073882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7191757.

The product of its (nonzero) digits is 9289728, while the sum is 60.

The spelling of 1818923073882 in words is "one trillion, eight hundred eighteen billion, nine hundred twenty-three million, seventy-three thousand, eight hundred eighty-two".