13533921792 has 60 divisors (see below), whose sum is σ = 39059827950. Its totient is φ = 4511305728.

The previous prime is 13533921761. The next prime is 13533921829. The reversal of 13533921792 is 29712933531.

13533921792 is a `hidden beast` number, since 1 + 3 + 533 + 9 + 21 + 7 + 92 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13415198976 + 118722816 = 115824^2 + 10896^2 .

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 5 ways as a sum of consecutive naturals, for example, 1463917 + ... + 1473132.

Almost surely, 2^13533921792 is an apocalyptic number.

13533921792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13533921792 is an abundant number, since it is smaller than the sum of its proper divisors (25525906158).

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

13533921792 is an equidigital number, since it uses as much as digits as its factorization.

13533921792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937073 (or 2937054 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The spelling of 13533921792 in words is "thirteen billion, five hundred thirty-three million, nine hundred twenty-one thousand, seven hundred ninety-two".