918281819092 has 24 divisors (see below), whose sum is σ = 1753188101280. Its totient is φ = 417375915360.

The previous prime is 918281819087. The next prime is 918281819113. The reversal of 918281819092 is 290918182819.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 133134 + ... + 1361722.

It is an arithmetic number, because the mean of its divisors is an integer number (73049504220).

Almost surely, 2^918281819092 is an apocalyptic number.

It is an amenable number.

918281819092 is a deficient number, since it is larger than the sum of its proper divisors (834906282188).

918281819092 is a wasteful number, since it uses less digits than its factorization.

918281819092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245591 (or 1245589 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 58.

The spelling of 918281819092 in words is "nine hundred eighteen billion, two hundred eighty-one million, eight hundred nineteen thousand, ninety-two".