26023433172381 has 6 divisors (see below), whose sum is σ = 37589403471230. Its totient is φ = 17348955448248.

The previous prime is 26023433172377. The next prime is 26023433172413. The reversal of 26023433172381 is 18327133432062.

26023433172381 is a `hidden beast` number, since 2 + 6 + 0 + 234 + 3 + 31 + 7 + 2 + 381 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25951220046756 + 72213125625 = 5094234^2 + 268725^2 .

It is not a de Polignac number, because 26023433172381 - 2² = 26023433172377 is a prime.

It is a super-2 number, since 2×26023433172381² (a number of 28 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 (26023433172361) 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, 1445746287346 + ... + 1445746287363.

Almost surely, 2^{26023433172381} is an apocalyptic number.

It is an amenable number.

26023433172381 is a deficient number, since it is larger than the sum of its proper divisors (11565970298849).

26023433172381 is a wasteful number, since it uses less digits than its factorization.

26023433172381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891492574715 (or 2891492574712 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 26023433172381 in words is "twenty-six trillion, twenty-three billion, four hundred thirty-three million, one hundred seventy-two thousand, three hundred eighty-one".