26477683673993 has 2 divisors, whose sum is σ = 26477683673994. Its totient is φ = 26477683673992.

The previous prime is 26477683673923. The next prime is 26477683674007. The reversal of 26477683673993 is 39937638677462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20767051039744 + 5710632634249 = 4557088^2 + 2389693^2 .

It is a cyclic number.

It is not a de Polignac number, because 26477683673993 - 2³⁶ = 26408964197257 is a prime.

It is not a weakly prime, because it can be changed into another prime (26477683673923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13238841836996 + 13238841836997.

It is an arithmetic number, because the mean of its divisors is an integer number (13238841836997).

Almost surely, 2^{26477683673993} is an apocalyptic number.

It is an amenable number.

26477683673993 is a deficient number, since it is larger than the sum of its proper divisors (1).

26477683673993 is an equidigital number, since it uses as much as digits as its factorization.

26477683673993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10369949184, while the sum is 80.

The spelling of 26477683673993 in words is "twenty-six trillion, four hundred seventy-seven billion, six hundred eighty-three million, six hundred seventy-three thousand, nine hundred ninety-three".