2641268313 has 12 divisors (see below), whose sum is σ = 3816944560.
Its totient is φ = 1760024376.
The previous prime is 2641268309. The next prime is 2641268321. The reversal of 2641268313 is 3138621462.
2641268313 is a `hidden beast` number, since 2 + 641 + 2 + 6 + 8 + 3 + 1 + 3 = 666.
It is not a de Polignac number, because 2641268313 - 22 = 2641268309 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2641268323) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47731 + ... + 86952.
Almost surely, 22641268313 is an apocalyptic number.
It is an amenable number.
2641268313 is a deficient number, since it is larger than the sum of its proper divisors (1175676247).
2641268313 is a wasteful number, since it uses less digits than its factorization.
2641268313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136868 (or 136865 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The square root of 2641268313 is about 51393.2710867872.
The cubic root of 2641268313 is about 1382.3059383363.
Adding to 2641268313 its reverse (3138621462), we get a palindrome (5779889775).
The spelling of 2641268313 in words is "two billion, six hundred forty-one million, two hundred sixty-eight thousand, three hundred thirteen".