1009185094284 has 12 divisors (see below), whose sum is σ = 2354765220024. Its totient is φ = 336395031424.

The previous prime is 1009185094273. The next prime is 1009185094289. The reversal of 1009185094284 is 4824905819001.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1009185094289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42049378917 + ... + 42049378940.

It is an arithmetic number, because the mean of its divisors is an integer number (196230435002).

Almost surely, 2^{1009185094284} is an apocalyptic number.

It is an amenable number.

1009185094284 is an abundant number, since it is smaller than the sum of its proper divisors (1345580125740).

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

1009185094284 is a wasteful number, since it uses less digits than its factorization.

1009185094284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84098757864 (or 84098757862 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 1009185094284 in words is "one trillion, nine billion, one hundred eighty-five million, ninety-four thousand, two hundred eighty-four".