26356440601013 has 4 divisors (see below), whose sum is σ = 27206648362368. Its totient is φ = 25506232839660.

The previous prime is 26356440601009. The next prime is 26356440601067. The reversal of 26356440601013 is 31010604465362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26356440601013 - 2² = 26356440601009 is a prime.

It is a super-2 number, since 2×26356440601013² (a number of 28 digits) contains 22 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 (26356440601093) 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, 425103880631 + ... + 425103880692.

It is an arithmetic number, because the mean of its divisors is an integer number (6801662090592).

Almost surely, 2^{26356440601013} is an apocalyptic number.

It is an amenable number.

26356440601013 is a deficient number, since it is larger than the sum of its proper divisors (850207761355).

26356440601013 is an equidigital number, since it uses as much as digits as its factorization.

26356440601013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850207761354.

The product of its (nonzero) digits is 311040, while the sum is 41.

The spelling of 26356440601013 in words is "twenty-six trillion, three hundred fifty-six billion, four hundred forty million, six hundred one thousand, thirteen".