26246001641 has 2 divisors, whose sum is σ = 26246001642. Its totient is φ = 26246001640.

The previous prime is 26246001601. The next prime is 26246001643. The reversal of 26246001641 is 14610064262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23407776016 + 2838225625 = 152996^2 + 53275^2 .

It is a cyclic number.

It is not a de Polignac number, because 26246001641 - 2³⁴ = 9066132457 is a prime.

Together with 26246001643, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26246001598 and 26246001607.

It is not a weakly prime, because it can be changed into another prime (26246001643) 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, 13123000820 + 13123000821.

It is an arithmetic number, because the mean of its divisors is an integer number (13123000821).

Almost surely, 2^26246001641 is an apocalyptic number.

It is an amenable number.

26246001641 is a deficient number, since it is larger than the sum of its proper divisors (1).

26246001641 is an equidigital number, since it uses as much as digits as its factorization.

26246001641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 26246001641 in words is "twenty-six billion, two hundred forty-six million, one thousand, six hundred forty-one".