2826720626893 has 2 divisors, whose sum is σ = 2826720626894. Its totient is φ = 2826720626892.

The previous prime is 2826720626813. The next prime is 2826720626993. The reversal of 2826720626893 is 3986260276282.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2211055989444 + 615664637449 = 1486962^2 + 784643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2826720626893 - 2³³ = 2818130692301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2826720626813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1413360313446 + 1413360313447.

It is an arithmetic number, because the mean of its divisors is an integer number (1413360313447).

Almost surely, 2^{2826720626893} is an apocalyptic number.

It is an amenable number.

2826720626893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2826720626893 is an equidigital number, since it uses as much as digits as its factorization.

2826720626893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 2826720626893 in words is "two trillion, eight hundred twenty-six billion, seven hundred twenty million, six hundred twenty-six thousand, eight hundred ninety-three".