26966481831 has 6 divisors (see below), whose sum is σ = 38951584880. Its totient is φ = 17977654548.

The previous prime is 26966481827. The next prime is 26966481833. The reversal of 26966481831 is 13818466962.

26966481831 is a `hidden beast` number, since 26 + 9 + 66 + 481 + 83 + 1 = 666.

It is not a de Polignac number, because 26966481831 - 2² = 26966481827 is a prime.

It is a super-2 number, since 2×26966481831² (a number of 22 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 (26966481833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1498137871 + ... + 1498137888.

Almost surely, 2^26966481831 is an apocalyptic number.

26966481831 is a deficient number, since it is larger than the sum of its proper divisors (11985103049).

26966481831 is a wasteful number, since it uses less digits than its factorization.

26966481831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996275765 (or 2996275762 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 26966481831 in words is "twenty-six billion, nine hundred sixty-six million, four hundred eighty-one thousand, eight hundred thirty-one".