2420343265163 has 4 divisors (see below), whose sum is σ = 2421031452720. Its totient is φ = 2419655077608.

The previous prime is 2420343265157. The next prime is 2420343265201. The reversal of 2420343265163 is 3615623430242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2420343265163 - 2⁶ = 2420343265099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420343265163.

It is not an unprimeable number, because it can be changed into a prime (2420343265133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344088503 + ... + 344095536.

It is an arithmetic number, because the mean of its divisors is an integer number (605257863180).

Almost surely, 2^{2420343265163} is an apocalyptic number.

2420343265163 is a deficient number, since it is larger than the sum of its proper divisors (688187557).

2420343265163 is an equidigital number, since it uses as much as digits as its factorization.

2420343265163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688187556.

The product of its (nonzero) digits is 622080, while the sum is 41.

The spelling of 2420343265163 in words is "two trillion, four hundred twenty billion, three hundred forty-three million, two hundred sixty-five thousand, one hundred sixty-three".