13826381892 has 12 divisors (see below), whose sum is σ = 32261557776. Its totient is φ = 4608793960.

The previous prime is 13826381879. The next prime is 13826381917. The reversal of 13826381892 is 29818362831.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 576099234 + ... + 576099257.

It is an arithmetic number, because the mean of its divisors is an integer number (2688463148).

Almost surely, 2^13826381892 is an apocalyptic number.

13826381892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13826381892 is an abundant number, since it is smaller than the sum of its proper divisors (18435175884).

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

13826381892 is a wasteful number, since it uses less digits than its factorization.

13826381892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152198498 (or 1152198496 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The spelling of 13826381892 in words is "thirteen billion, eight hundred twenty-six million, three hundred eighty-one thousand, eight hundred ninety-two".