2193841993782 has 64 divisors (see below), whose sum is σ = 4656089917440. Its totient is φ = 686738939904.

The previous prime is 2193841993771. The next prime is 2193841993817. The reversal of 2193841993782 is 2873991483912.

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 31 ways as a sum of consecutive naturals, for example, 87207318 + ... + 87232470.

It is an arithmetic number, because the mean of its divisors is an integer number (72751404960).

Almost surely, 2^{2193841993782} is an apocalyptic number.

2193841993782 is an abundant number, since it is smaller than the sum of its proper divisors (2462247923658).

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

2193841993782 is a wasteful number, since it uses less digits than its factorization.

2193841993782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27037.

The product of its digits is 47029248, while the sum is 66.

The spelling of 2193841993782 in words is "two trillion, one hundred ninety-three billion, eight hundred forty-one million, nine hundred ninety-three thousand, seven hundred eighty-two".