2193564032678 has 8 divisors (see below), whose sum is σ = 3463522156920. Its totient is φ = 1039056647040.

The previous prime is 2193564032663. The next prime is 2193564032683. The reversal of 2193564032678 is 8762304653912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28862684603 + ... + 28862684678.

It is an arithmetic number, because the mean of its divisors is an integer number (432940269615).

It is a 1-persistent number, because it is pandigital, but 2⋅2193564032678 = 4387128065356 is not.

Almost surely, 2^{2193564032678} is an apocalyptic number.

2193564032678 is a deficient number, since it is larger than the sum of its proper divisors (1269958124242).

2193564032678 is a wasteful number, since it uses less digits than its factorization.

2193564032678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57725369302.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 2193564032678 in words is "two trillion, one hundred ninety-three billion, five hundred sixty-four million, thirty-two thousand, six hundred seventy-eight".