2109493093013 has 2 divisors, whose sum is σ = 2109493093014. Its totient is φ = 2109493093012.

The previous prime is 2109493092989. The next prime is 2109493093139. The reversal of 2109493093013 is 3103903949012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1921641930289 + 187851162724 = 1386233^2 + 433418^2 .

It is a cyclic number.

It is not a de Polignac number, because 2109493093013 - 2⁸ = 2109493092757 is a prime.

It is a super-2 number, since 2×2109493093013² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2109493095013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054746546506 + 1054746546507.

It is an arithmetic number, because the mean of its divisors is an integer number (1054746546507).

Almost surely, 2^{2109493093013} is an apocalyptic number.

It is an amenable number.

2109493093013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109493093013 is an equidigital number, since it uses as much as digits as its factorization.

2109493093013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The spelling of 2109493093013 in words is "two trillion, one hundred nine billion, four hundred ninety-three million, ninety-three thousand, thirteen".