2184881712442 has 32 divisors (see below), whose sum is σ = 3871553422464. Its totient is φ = 911668737600.

The previous prime is 2184881712439. The next prime is 2184881712467. The reversal of 2184881712442 is 2442171884812.

It is a self number, because there is not a number n which added to its sum of digits gives 2184881712442.

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 15 ways as a sum of consecutive naturals, for example, 21051678 + ... + 21155209.

It is an arithmetic number, because the mean of its divisors is an integer number (120986044452).

Almost surely, 2^{2184881712442} is an apocalyptic number.

2184881712442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2184881712442 is a deficient number, since it is larger than the sum of its proper divisors (1686671710022).

2184881712442 is a wasteful number, since it uses less digits than its factorization.

2184881712442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42207094.

The product of its digits is 1835008, while the sum is 52.

The spelling of 2184881712442 in words is "two trillion, one hundred eighty-four billion, eight hundred eighty-one million, seven hundred twelve thousand, four hundred forty-two".