26382671641 has 2 divisors, whose sum is σ = 26382671642. Its totient is φ = 26382671640.

The previous prime is 26382671639. The next prime is 26382671659. The reversal of 26382671641 is 14617628362.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14958268416 + 11424403225 = 122304^2 + 106885^2 .

It is a cyclic number.

It is not a de Polignac number, because 26382671641 - 2¹ = 26382671639 is a prime.

Together with 26382671639, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 26382671591 and 26382671600.

It is not a weakly prime, because it can be changed into another prime (26382671611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13191335820 + 13191335821.

It is an arithmetic number, because the mean of its divisors is an integer number (13191335821).

Almost surely, 2^26382671641 is an apocalyptic number.

It is an amenable number.

26382671641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26382671641 is an equidigital number, since it uses as much as digits as its factorization.

26382671641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The spelling of 26382671641 in words is "twenty-six billion, three hundred eighty-two million, six hundred seventy-one thousand, six hundred forty-one".