26747142881 has 2 divisors, whose sum is σ = 26747142882. Its totient is φ = 26747142880.

The previous prime is 26747142823. The next prime is 26747142883. The reversal of 26747142881 is 18824174762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24870867025 + 1876275856 = 157705^2 + 43316^2 .

It is a cyclic number.

It is not a de Polignac number, because 26747142881 - 2²² = 26742948577 is a prime.

It is a super-2 number, since 2×26747142881² (a number of 22 digits) contains 22 as substring.

Together with 26747142883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26747142883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13373571440 + 13373571441.

It is an arithmetic number, because the mean of its divisors is an integer number (13373571441).

Almost surely, 2^26747142881 is an apocalyptic number.

It is an amenable number.

26747142881 is a deficient number, since it is larger than the sum of its proper divisors (1).

26747142881 is an equidigital number, since it uses as much as digits as its factorization.

26747142881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1204224, while the sum is 50.

The spelling of 26747142881 in words is "twenty-six billion, seven hundred forty-seven million, one hundred forty-two thousand, eight hundred eighty-one".