26641281463 has 2 divisors, whose sum is σ = 26641281464. Its totient is φ = 26641281462.

The previous prime is 26641281461. The next prime is 26641281479. The reversal of 26641281463 is 36418214662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26641281463 - 2¹ = 26641281461 is a prime.

Together with 26641281461, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26641281461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13320640731 + 13320640732.

It is an arithmetic number, because the mean of its divisors is an integer number (13320640732).

Almost surely, 2^26641281463 is an apocalyptic number.

26641281463 is a deficient number, since it is larger than the sum of its proper divisors (1).

26641281463 is an equidigital number, since it uses as much as digits as its factorization.

26641281463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The spelling of 26641281463 in words is "twenty-six billion, six hundred forty-one million, two hundred eighty-one thousand, four hundred sixty-three".