2194529827842 has 24 divisors (see below), whose sum is σ = 5187070502640. Its totient is φ = 665009038680.

The previous prime is 2194529827801. The next prime is 2194529827877. The reversal of 2194529827842 is 2487289254912.

2194529827842 is a `hidden beast` number, since 2 + 1 + 9 + 4 + 529 + 8 + 27 + 84 + 2 = 666.

It is a super-2 number, since 2×2194529827842² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2194529827842.

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 11 ways as a sum of consecutive naturals, for example, 5541741792 + ... + 5541742187.

It is an arithmetic number, because the mean of its divisors is an integer number (216127937610).

Almost surely, 2^{2194529827842} is an apocalyptic number.

2194529827842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2194529827842 is an abundant number, since it is smaller than the sum of its proper divisors (2992540674798).

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

2194529827842 is a wasteful number, since it uses less digits than its factorization.

2194529827842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083483998 (or 11083483995 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 2194529827842 in words is "two trillion, one hundred ninety-four billion, five hundred twenty-nine million, eight hundred twenty-seven thousand, eight hundred forty-two".