26727820413681 has 8 divisors (see below), whose sum is σ = 35645198768064. Its totient is φ = 17814494500880.

The previous prime is 26727820413673. The next prime is 26727820413727. The reversal of 26727820413681 is 18631402872762.

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 26727820413681 - 2³ = 26727820413673 is a prime.

It is a super-2 number, since 2×26727820413681² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26727820413661) 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, 1013095005 + ... + 1013121386.

It is an arithmetic number, because the mean of its divisors is an integer number (4455649846008).

Almost surely, 2^{26727820413681} is an apocalyptic number.

It is an amenable number.

26727820413681 is a deficient number, since it is larger than the sum of its proper divisors (8917378354383).

26727820413681 is a wasteful number, since it uses less digits than its factorization.

26727820413681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026220791.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 26727820413681 in words is "twenty-six trillion, seven hundred twenty-seven billion, eight hundred twenty million, four hundred thirteen thousand, six hundred eighty-one".