2645331330319 has 4 divisors (see below), whose sum is σ = 2645718477696. Its totient is φ = 2644944182944.

The previous prime is 2645331330293. The next prime is 2645331330347. The reversal of 2645331330319 is 9130331335462.

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 2645331330319 - 2⁹ = 2645331329807 is a prime.

It is a super-2 number, since 2×2645331330319² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645331330359) 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, 193563439 + ... + 193577104.

It is an arithmetic number, because the mean of its divisors is an integer number (661429619424).

Almost surely, 2^{2645331330319} is an apocalyptic number.

2645331330319 is a deficient number, since it is larger than the sum of its proper divisors (387147377).

2645331330319 is an equidigital number, since it uses as much as digits as its factorization.

2645331330319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387147376.

The product of its (nonzero) digits is 524880, while the sum is 43.

The spelling of 2645331330319 in words is "two trillion, six hundred forty-five billion, three hundred thirty-one million, three hundred thirty thousand, three hundred nineteen".