2641330645203 has 4 divisors (see below), whose sum is σ = 3521774193608. Its totient is φ = 1760887096800.

The previous prime is 2641330645171. The next prime is 2641330645271. The reversal of 2641330645203 is 3025460331462.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2641330645203 - 2⁵ = 2641330645171 is a prime.

It is a super-2 number, since 2×2641330645203² (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 (2641330645103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440221774198 + ... + 440221774203.

It is an arithmetic number, because the mean of its divisors is an integer number (880443548402).

Almost surely, 2^{2641330645203} is an apocalyptic number.

2641330645203 is a deficient number, since it is larger than the sum of its proper divisors (880443548405).

2641330645203 is an equidigital number, since it uses as much as digits as its factorization.

2641330645203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880443548404.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 2641330645203 its reverse (3025460331462), we get a palindrome (5666790976665).

The spelling of 2641330645203 in words is "two trillion, six hundred forty-one billion, three hundred thirty million, six hundred forty-five thousand, two hundred three".