2640126641313 has 48 divisors (see below), whose sum is σ = 4112696540160. Its totient is φ = 1502096760864.

The previous prime is 2640126641309. The next prime is 2640126641323. The reversal of 2640126641313 is 3131466210462.

2640126641313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2640126641313 - 2² = 2640126641309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2640126641323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34105470 + ... + 34182792.

It is an arithmetic number, because the mean of its divisors is an integer number (85681177920).

Almost surely, 2^{2640126641313} is an apocalyptic number.

It is an amenable number.

2640126641313 is a deficient number, since it is larger than the sum of its proper divisors (1472569898847).

2640126641313 is a wasteful number, since it uses less digits than its factorization.

2640126641313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78346 (or 78339 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 2640126641313 in words is "two trillion, six hundred forty billion, one hundred twenty-six million, six hundred forty-one thousand, three hundred thirteen".