26438197170417 has 16 divisors (see below), whose sum is σ = 35272321373952. Its totient is φ = 17614770243840.

The previous prime is 26438197170391. The next prime is 26438197170421. The reversal of 26438197170417 is 71407179183462.

It is a happy number.

It is not a de Polignac number, because 26438197170417 - 2⁷ = 26438197170289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26438197175417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80871753 + ... + 81198009.

It is an arithmetic number, because the mean of its divisors is an integer number (2204520085872).

Almost surely, 2^{26438197170417} is an apocalyptic number.

It is an amenable number.

26438197170417 is a deficient number, since it is larger than the sum of its proper divisors (8834124203535).

26438197170417 is a wasteful number, since it uses less digits than its factorization.

26438197170417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342568.

The product of its (nonzero) digits is 14224896, while the sum is 60.

The spelling of 26438197170417 in words is "twenty-six trillion, four hundred thirty-eight billion, one hundred ninety-seven million, one hundred seventy thousand, four hundred seventeen".