2645243336219 has 4 divisors (see below), whose sum is σ = 2885720003160. Its totient is φ = 2404766669280.

The previous prime is 2645243336167. The next prime is 2645243336287. The reversal of 2645243336219 is 9126333425462.

2645243336219 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 a de Polignac number, because none of the positive numbers 2^k-2645243336219 is a prime.

It is a super-2 number, since 2×2645243336219² (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 (2645243336299) 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, 120238333454 + ... + 120238333475.

It is an arithmetic number, because the mean of its divisors is an integer number (721430000790).

Almost surely, 2^{2645243336219} is an apocalyptic number.

2645243336219 is a deficient number, since it is larger than the sum of its proper divisors (240476666941).

2645243336219 is a wasteful number, since it uses less digits than its factorization.

2645243336219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240476666940.

The product of its digits is 5598720, while the sum is 50.

The spelling of 2645243336219 in words is "two trillion, six hundred forty-five billion, two hundred forty-three million, three hundred thirty-six thousand, two hundred nineteen".