2688299736193 has 4 divisors (see below), whose sum is σ = 2695210532820. Its totient is φ = 2681388939568.

The previous prime is 2688299736191. The next prime is 2688299736211. The reversal of 2688299736193 is 3916379928862.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1318622745969 + 1369676990224 = 1148313^2 + 1170332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688299736193 - 2¹ = 2688299736191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2688299736191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455397730 + ... + 3455398507.

It is an arithmetic number, because the mean of its divisors is an integer number (673802633205).

Almost surely, 2^{2688299736193} is an apocalyptic number.

It is an amenable number.

2688299736193 is a deficient number, since it is larger than the sum of its proper divisors (6910796627).

2688299736193 is an equidigital number, since it uses as much as digits as its factorization.

2688299736193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910796626.

The product of its digits is 423263232, while the sum is 73.

The spelling of 2688299736193 in words is "two trillion, six hundred eighty-eight billion, two hundred ninety-nine million, seven hundred thirty-six thousand, one hundred ninety-three".