2163311854793 has 4 divisors (see below), whose sum is σ = 2167154327568. Its totient is φ = 2159469382020.

The previous prime is 2163311854777. The next prime is 2163311854799. The reversal of 2163311854793 is 3974581133612.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2163311854793 - 2⁴ = 2163311854777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163311854799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921235543 + ... + 1921236668.

It is an arithmetic number, because the mean of its divisors is an integer number (541788581892).

Almost surely, 2^{2163311854793} is an apocalyptic number.

It is an amenable number.

2163311854793 is a deficient number, since it is larger than the sum of its proper divisors (3842472775).

2163311854793 is an equidigital number, since it uses as much as digits as its factorization.

2163311854793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842472774.

The product of its digits is 3265920, while the sum is 53.

The spelling of 2163311854793 in words is "two trillion, one hundred sixty-three billion, three hundred eleven million, eight hundred fifty-four thousand, seven hundred ninety-three".