26196431823 has 12 divisors (see below), whose sum is σ = 37929604440. Its totient is φ = 17422604496.

The previous prime is 26196431777. The next prime is 26196431861. The reversal of 26196431823 is 32813469162.

26196431823 is a `hidden beast` number, since 2 + 6 + 196 + 431 + 8 + 23 = 666.

It is not a de Polignac number, because 26196431823 - 2⁹ = 26196431311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26196431323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3469636 + ... + 3477177.

It is an arithmetic number, because the mean of its divisors is an integer number (3160800370).

Almost surely, 2^26196431823 is an apocalyptic number.

26196431823 is a deficient number, since it is larger than the sum of its proper divisors (11733172617).

26196431823 is a wasteful number, since it uses less digits than its factorization.

26196431823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6947238 (or 6947235 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 26196431823 in words is "twenty-six billion, one hundred ninety-six million, four hundred thirty-one thousand, eight hundred twenty-three".