26064420659 has 4 divisors (see below), whose sum is σ = 26064748416. Its totient is φ = 26064092904.

The previous prime is 26064420611. The next prime is 26064420667. The reversal of 26064420659 is 95602446062.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 26064420659 - 2¹⁶ = 26064355123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26864420659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39737 + ... + 231749.

It is an arithmetic number, because the mean of its divisors is an integer number (6516187104).

Almost surely, 2^26064420659 is an apocalyptic number.

26064420659 is a deficient number, since it is larger than the sum of its proper divisors (327757).

26064420659 is a wasteful number, since it uses less digits than its factorization.

26064420659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327756.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 26064420659 in words is "twenty-six billion, sixty-four million, four hundred twenty thousand, six hundred fifty-nine".