26348690805 has 16 divisors (see below), whose sum is σ = 43611626880. Its totient is φ = 13568061248.

The previous prime is 26348690803. The next prime is 26348690833. The reversal of 26348690805 is 50809684362.

It is a cyclic number.

It is not a de Polignac number, because 26348690805 - 2¹ = 26348690803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26348690801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30285417 + ... + 30286286.

It is an arithmetic number, because the mean of its divisors is an integer number (2725726680).

Almost surely, 2^26348690805 is an apocalyptic number.

It is an amenable number.

26348690805 is a deficient number, since it is larger than the sum of its proper divisors (17262936075).

26348690805 is a wasteful number, since it uses less digits than its factorization.

26348690805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60571740.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 26348690805 in words is "twenty-six billion, three hundred forty-eight million, six hundred ninety thousand, eight hundred five".