2193956575338 has 64 divisors (see below), whose sum is σ = 5039453191680. Its totient is φ = 629756337600.

The previous prime is 2193956575297. The next prime is 2193956575367. The reversal of 2193956575338 is 8335756593912.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9175356 + ... + 9411432.

It is an arithmetic number, because the mean of its divisors is an integer number (78741456120).

Almost surely, 2^{2193956575338} is an apocalyptic number.

2193956575338 is an abundant number, since it is smaller than the sum of its proper divisors (2845496616342).

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

2193956575338 is a wasteful number, since it uses less digits than its factorization.

2193956575338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243523.

The product of its digits is 183708000, while the sum is 66.

The spelling of 2193956575338 in words is "two trillion, one hundred ninety-three billion, nine hundred fifty-six million, five hundred seventy-five thousand, three hundred thirty-eight".