26691059 has 2 divisors, whose sum is σ = 26691060. Its totient is φ = 26691058.

The previous prime is 26691047. The next prime is 26691073. The reversal of 26691059 is 95019662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26691059 - 2²⁰ = 25642483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26691079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13345529 + 13345530.

It is an arithmetic number, because the mean of its divisors is an integer number (13345530).

Almost surely, 2^26691059 is an apocalyptic number.

26691059 is a deficient number, since it is larger than the sum of its proper divisors (1).

26691059 is an equidigital number, since it uses as much as digits as its factorization.

26691059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 26691059 is about 5166.3390326226. The cubic root of 26691059 is about 298.8513819419.

The spelling of 26691059 in words is "twenty-six million, six hundred ninety-one thousand, fifty-nine".