13091672838 has 16 divisors (see below), whose sum is σ = 26190319680. Its totient is φ = 4362728616.

The previous prime is 13091672753. The next prime is 13091672861. The reversal of 13091672838 is 83827619031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266020 + ... + 311367.

It is an arithmetic number, because the mean of its divisors is an integer number (1636894980).

Almost surely, 2^13091672838 is an apocalyptic number.

13091672838 is an abundant number, since it is smaller than the sum of its proper divisors (13098646842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13091672838 is a wasteful number, since it uses less digits than its factorization.

13091672838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581171.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 13091672838 in words is "thirteen billion, ninety-one million, six hundred seventy-two thousand, eight hundred thirty-eight".