1084321813842 has 12 divisors (see below), whose sum is σ = 2349363930030. Its totient is φ = 361440604608.

The previous prime is 1084321813753. The next prime is 1084321813873. The reversal of 1084321813842 is 2483181234801.

1084321813842 is a `hidden beast` number, since 1 + 0 + 8 + 432 + 181 + 38 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 920983783041 + 163338030801 = 959679^2 + 404151^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30120050367 + ... + 30120050402.

Almost surely, 2^{1084321813842} is an apocalyptic number.

1084321813842 is an abundant number, since it is smaller than the sum of its proper divisors (1265042116188).

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

1084321813842 is a wasteful number, since it uses less digits than its factorization.

1084321813842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60240100777 (or 60240100774 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 1084321813842 in words is "one trillion, eighty-four billion, three hundred twenty-one million, eight hundred thirteen thousand, eight hundred forty-two".