13249850823 has 24 divisors (see below), whose sum is σ = 20896686720. Its totient is φ = 8023238160.

The previous prime is 13249850791. The next prime is 13249850851. The reversal of 13249850823 is 32805894231.

13249850823 is a `hidden beast` number, since 1 + 32 + 4 + 98 + 508 + 23 = 666.

13249850823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13249850823 - 2⁵ = 13249850791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13249850893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57598 + ... + 172676.

It is an arithmetic number, because the mean of its divisors is an integer number (870695280).

Almost surely, 2^13249850823 is an apocalyptic number.

13249850823 is a deficient number, since it is larger than the sum of its proper divisors (7646835897).

13249850823 is a wasteful number, since it uses less digits than its factorization.

13249850823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116259 (or 116256 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 13249850823 in words is "thirteen billion, two hundred forty-nine million, eight hundred fifty thousand, eight hundred twenty-three".