26846606381 has 8 divisors (see below), whose sum is σ = 30815819520. Its totient is φ = 22910889168.

The previous prime is 26846606359. The next prime is 26846606389. The reversal of 26846606381 is 18360664862.

It is a happy number.

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 26846606381 - 2⁶ = 26846606317 is a prime.

It is a super-2 number, since 2×26846606381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26846606389) 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, 8372261 + ... + 8375466.

It is an arithmetic number, because the mean of its divisors is an integer number (3851977440).

Almost surely, 2^26846606381 is an apocalyptic number.

It is an amenable number.

26846606381 is a deficient number, since it is larger than the sum of its proper divisors (3969213139).

26846606381 is a wasteful number, since it uses less digits than its factorization.

26846606381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16747963.

The product of its (nonzero) digits is 1990656, while the sum is 50.

The spelling of 26846606381 in words is "twenty-six billion, eight hundred forty-six million, six hundred six thousand, three hundred eighty-one".