26959000889 has 2 divisors, whose sum is σ = 26959000890. Its totient is φ = 26959000888.

The previous prime is 26959000883. The next prime is 26959000891. The reversal of 26959000889 is 98800095962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24811605289 + 2147395600 = 157517^2 + 46340^2 .

It is a cyclic number.

It is not a de Polignac number, because 26959000889 - 2⁸ = 26959000633 is a prime.

Together with 26959000891, 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 (26959000883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13479500444 + 13479500445.

It is an arithmetic number, because the mean of its divisors is an integer number (13479500445).

Almost surely, 2^26959000889 is an apocalyptic number.

It is an amenable number.

26959000889 is a deficient number, since it is larger than the sum of its proper divisors (1).

26959000889 is an equidigital number, since it uses as much as digits as its factorization.

26959000889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 26959000889 in words is "twenty-six billion, nine hundred fifty-nine million, eight hundred eighty-nine", and thus it is an aban number.