2645838066317 has 4 divisors (see below), whose sum is σ = 2651552619840. Its totient is φ = 2640123512796.

The previous prime is 2645838066239. The next prime is 2645838066353. The reversal of 2645838066317 is 7136608385462.

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 2645838066317 - 2⁸ = 2645838066061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645838066017) 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, 2857276067 + ... + 2857276992.

It is an arithmetic number, because the mean of its divisors is an integer number (662888154960).

Almost surely, 2^{2645838066317} is an apocalyptic number.

It is an amenable number.

2645838066317 is a deficient number, since it is larger than the sum of its proper divisors (5714553523).

2645838066317 is an equidigital number, since it uses as much as digits as its factorization.

2645838066317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5714553522.

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 2645838066317 in words is "two trillion, six hundred forty-five billion, eight hundred thirty-eight million, sixty-six thousand, three hundred seventeen".