26480956889 has 2 divisors, whose sum is σ = 26480956890. Its totient is φ = 26480956888.

The previous prime is 26480956871. The next prime is 26480956939. The reversal of 26480956889 is 98865908462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23679054400 + 2801902489 = 153880^2 + 52933^2 .

It is a cyclic number.

It is not a de Polignac number, because 26480956889 - 2⁸ = 26480956633 is a prime.

It is not a weakly prime, because it can be changed into another prime (26480956189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13240478444 + 13240478445.

It is an arithmetic number, because the mean of its divisors is an integer number (13240478445).

Almost surely, 2^26480956889 is an apocalyptic number.

It is an amenable number.

26480956889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26480956889 is an equidigital number, since it uses as much as digits as its factorization.

26480956889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 26480956889 in words is "twenty-six billion, four hundred eighty million, nine hundred fifty-six thousand, eight hundred eighty-nine".