26008226485709 has 4 divisors (see below), whose sum is σ = 28008859292316. Its totient is φ = 24007593679104.

The previous prime is 26008226485663. The next prime is 26008226485721. The reversal of 26008226485709 is 90758462280062.

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 10820954988484 + 15187271497225 = 3289522^2 + 3897085^2 .

It is a cyclic number.

It is not a de Polignac number, because 26008226485709 - 2⁴⁰ = 24908714857933 is a prime.

It is a super-3 number, since 3×26008226485709³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26008226485609) 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, 1000316403284 + ... + 1000316403309.

It is an arithmetic number, because the mean of its divisors is an integer number (7002214823079).

Almost surely, 2^{26008226485709} is an apocalyptic number.

It is an amenable number.

26008226485709 is a deficient number, since it is larger than the sum of its proper divisors (2000632806607).

26008226485709 is a wasteful number, since it uses less digits than its factorization.

26008226485709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000632806606.

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 26008226485709 in words is "twenty-six trillion, eight billion, two hundred twenty-six million, four hundred eighty-five thousand, seven hundred nine".