26284643193601 has 8 divisors (see below), whose sum is σ = 28411767596520. Its totient is φ = 24172551472512.

The previous prime is 26284643193577. The next prime is 26284643193607. The reversal of 26284643193601 is 10639134648262.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 231530342976 + 26053112850625 = 481176^2 + 5104225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26284643193601 - 2²⁷ = 26284508975873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26284643193607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3758166820 + ... + 3758173813.

It is an arithmetic number, because the mean of its divisors is an integer number (3551470949565).

Almost surely, 2^{26284643193601} is an apocalyptic number.

It is an amenable number.

26284643193601 is a deficient number, since it is larger than the sum of its proper divisors (2127124402919).

26284643193601 is a wasteful number, since it uses less digits than its factorization.

26284643193601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516340915.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 26284643193601 in words is "twenty-six trillion, two hundred eighty-four billion, six hundred forty-three million, one hundred ninety-three thousand, six hundred one".