2640584798219 has 4 divisors (see below), whose sum is σ = 2640591273096. Its totient is φ = 2640578323344.

The previous prime is 2640584798179. The next prime is 2640584798227. The reversal of 2640584798219 is 9128974850462.

2640584798219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2640584798219 - 2⁴⁰ = 1541073170443 is a prime.

It is a super-2 number, since 2×2640584798219² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2640584798279) 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, 2581394 + ... + 3456119.

It is an arithmetic number, because the mean of its divisors is an integer number (660147818274).

Almost surely, 2^{2640584798219} is an apocalyptic number.

2640584798219 is a deficient number, since it is larger than the sum of its proper divisors (6474877).

2640584798219 is an equidigital number, since it uses as much as digits as its factorization.

2640584798219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474876.

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 2640584798219 in words is "two trillion, six hundred forty billion, five hundred eighty-four million, seven hundred ninety-eight thousand, two hundred nineteen".