2193956676 has 144 divisors (see below), whose sum is σ = 6088642560. Its totient is φ = 663526080.

The previous prime is 2193956671. The next prime is 2193956693. The reversal of 2193956676 is 6766593912.

2193956676 is a `hidden beast` number, since 2 + 1 + 9 + 3 + 9 + 566 + 76 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

Its product of digits (3674160) is a multiple of the sum of its prime factors (1134).

It is not an unprimeable number, because it can be changed into a prime (2193956671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2268345 + ... + 2269311.

It is an arithmetic number, because the mean of its divisors is an integer number (42282240).

Almost surely, 2^2193956676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193956676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3044321280).

2193956676 is an abundant number, since it is smaller than the sum of its proper divisors (3894685884).

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

2193956676 is a wasteful number, since it uses less digits than its factorization.

2193956676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1129 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The square root of 2193956676 is about 46839.6912457800. The cubic root of 2193956676 is about 1299.3994614783.

The spelling of 2193956676 in words is "two billion, one hundred ninety-three million, nine hundred fifty-six thousand, six hundred seventy-six".