2113303909993 has 2 divisors, whose sum is σ = 2113303909994. Its totient is φ = 2113303909992.

The previous prime is 2113303909961. The next prime is 2113303910089. The reversal of 2113303909993 is 3999093033112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2014605519424 + 98698390569 = 1419368^2 + 314163^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113303909993 - 2⁵ = 2113303909961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2113303909993.

It is not a weakly prime, because it can be changed into another prime (2113303909193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056651954996 + 1056651954997.

It is an arithmetic number, because the mean of its divisors is an integer number (1056651954997).

Almost surely, 2^{2113303909993} is an apocalyptic number.

It is an amenable number.

2113303909993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113303909993 is an equidigital number, since it uses as much as digits as its factorization.

2113303909993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1062882, while the sum is 52.

The spelling of 2113303909993 in words is "two trillion, one hundred thirteen billion, three hundred three million, nine hundred nine thousand, nine hundred ninety-three".