2626893998881 has 2 divisors, whose sum is σ = 2626893998882. Its totient is φ = 2626893998880.

The previous prime is 2626893998879. The next prime is 2626893998933. The reversal of 2626893998881 is 1888993986262.

2626893998881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1642393470481 + 984500528400 = 1281559^2 + 992220^2 .

It is a cyclic number.

It is not a de Polignac number, because 2626893998881 - 2¹ = 2626893998879 is a prime.

It is a super-2 number, since 2×2626893998881² (a number of 26 digits) contains 22 as substring.

Together with 2626893998879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2626893999881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1313446999440 + 1313446999441.

It is an arithmetic number, because the mean of its divisors is an integer number (1313446999441).

Almost surely, 2^{2626893998881} is an apocalyptic number.

It is an amenable number.

2626893998881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2626893998881 is an equidigital number, since it uses as much as digits as its factorization.

2626893998881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1289945088, while the sum is 79.

The spelling of 2626893998881 in words is "two trillion, six hundred twenty-six billion, eight hundred ninety-three million, nine hundred ninety-eight thousand, eight hundred eighty-one".