26608052645 has 4 divisors (see below), whose sum is σ = 31929663180. Its totient is φ = 21286442112.

The previous prime is 26608052633. The next prime is 26608052659. The reversal of 26608052645 is 54625080662.

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 6971916004 + 19636136641 = 83498^2 + 140129^2 .

It is a cyclic number.

It is not a de Polignac number, because 26608052645 - 2³² = 22313085349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26608052596 and 26608052605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660805260 + ... + 2660805269.

It is an arithmetic number, because the mean of its divisors is an integer number (7982415795).

Almost surely, 2^26608052645 is an apocalyptic number.

It is an amenable number.

26608052645 is a deficient number, since it is larger than the sum of its proper divisors (5321610535).

26608052645 is an equidigital number, since it uses as much as digits as its factorization.

26608052645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321610534.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 26608052645 in words is "twenty-six billion, six hundred eight million, fifty-two thousand, six hundred forty-five".