2163689865093 has 8 divisors (see below), whose sum is σ = 2884949516448. Its totient is φ = 1442445061904.

The previous prime is 2163689865067. The next prime is 2163689865137. The reversal of 2163689865093 is 3905689863612.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2163689865093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163689865893) 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, 3367455 + ... + 3958172.

It is an arithmetic number, because the mean of its divisors is an integer number (360618689556).

Almost surely, 2^{2163689865093} is an apocalyptic number.

It is an amenable number.

2163689865093 is a deficient number, since it is larger than the sum of its proper divisors (721259651355).

2163689865093 is an equidigital number, since it uses as much as digits as its factorization.

2163689865093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424083.

The product of its (nonzero) digits is 100776960, while the sum is 66.

The spelling of 2163689865093 in words is "two trillion, one hundred sixty-three billion, six hundred eighty-nine million, eight hundred sixty-five thousand, ninety-three".