26709795605 has 4 divisors (see below), whose sum is σ = 32051754732. Its totient is φ = 21367836480.

The previous prime is 26709795583. The next prime is 26709795611. The reversal of 26709795605 is 50659790762.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16235091889 + 10474703716 = 127417^2 + 102346^2 .

It is a de Polignac number, because none of the positive numbers 2^k-26709795605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670979556 + ... + 2670979565.

It is an arithmetic number, because the mean of its divisors is an integer number (8012938683).

Almost surely, 2^26709795605 is an apocalyptic number.

It is an amenable number.

26709795605 is a deficient number, since it is larger than the sum of its proper divisors (5341959127).

26709795605 is an equidigital number, since it uses as much as digits as its factorization.

26709795605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341959126.

The product of its (nonzero) digits is 7144200, while the sum is 56.

The spelling of 26709795605 in words is "twenty-six billion, seven hundred nine million, seven hundred ninety-five thousand, six hundred five".