9181819818036 has 48 divisors (see below), whose sum is σ = 24625570401600. Its totient is φ = 2955068446176.

The previous prime is 9181819817993. The next prime is 9181819818047. The reversal of 9181819818036 is 6308189181819.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1465804630 + ... + 1465810893.

It is an arithmetic number, because the mean of its divisors is an integer number (513032716700).

Almost surely, 2^{9181819818036} is an apocalyptic number.

It is an amenable number.

9181819818036 is an abundant number, since it is smaller than the sum of its proper divisors (15443750583564).

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

9181819818036 is a wasteful number, since it uses less digits than its factorization.

9181819818036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931615565 (or 2931615557 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 63.

The spelling of 9181819818036 in words is "nine trillion, one hundred eighty-one billion, eight hundred nineteen million, eight hundred eighteen thousand, thirty-six".