2642874163 has 4 divisors (see below), whose sum is σ = 2642977008. Its totient is φ = 2642771320.

The previous prime is 2642874151. The next prime is 2642874173. The reversal of 2642874163 is 3614782462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2642874163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642874173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23970 + ... + 76552.

It is an arithmetic number, because the mean of its divisors is an integer number (660744252).

Almost surely, 2^2642874163 is an apocalyptic number.

2642874163 is a deficient number, since it is larger than the sum of its proper divisors (102845).

2642874163 is an equidigital number, since it uses as much as digits as its factorization.

2642874163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102844.

The product of its digits is 387072, while the sum is 43.

The square root of 2642874163 is about 51408.8918670691. The cubic root of 2642874163 is about 1382.5860217428.

The spelling of 2642874163 in words is "two billion, six hundred forty-two million, eight hundred seventy-four thousand, one hundred sixty-three".