5426637412681 has 2 divisors, whose sum is σ = 5426637412682. Its totient is φ = 5426637412680.

The previous prime is 5426637412643. The next prime is 5426637412687. The reversal of 5426637412681 is 1862147366245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5352930049600 + 73707363081 = 2313640^2 + 271491^2 .

It is a cyclic number.

It is not a de Polignac number, because 5426637412681 - 2²⁹ = 5426100541769 is a prime.

It is a super-3 number, since 3×5426637412681³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (5426637412687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713318706340 + 2713318706341.

It is an arithmetic number, because the mean of its divisors is an integer number (2713318706341).

Almost surely, 2^{5426637412681} is an apocalyptic number.

It is an amenable number.

5426637412681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5426637412681 is an equidigital number, since it uses as much as digits as its factorization.

5426637412681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11612160, while the sum is 55.

The spelling of 5426637412681 in words is "five trillion, four hundred twenty-six billion, six hundred thirty-seven million, four hundred twelve thousand, six hundred eighty-one".