2193169036938 has 16 divisors (see below), whose sum is σ = 4785096080736. Its totient is φ = 664596677840.

The previous prime is 2193169036907. The next prime is 2193169036939. The reversal of 2193169036938 is 8396309613912.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2193169036939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16614916881 + ... + 16614917012.

It is an arithmetic number, because the mean of its divisors is an integer number (299068505046).

Almost surely, 2^{2193169036938} is an apocalyptic number.

2193169036938 is an abundant number, since it is smaller than the sum of its proper divisors (2591927043798).

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

2193169036938 is a wasteful number, since it uses less digits than its factorization.

2193169036938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33229833909.

The product of its (nonzero) digits is 11337408, while the sum is 60.

The spelling of 2193169036938 in words is "two trillion, one hundred ninety-three billion, one hundred sixty-nine million, thirty-six thousand, nine hundred thirty-eight".