13821407592 has 32 divisors (see below), whose sum is σ = 36586080000. Its totient is φ = 4336127744.

The previous prime is 13821407591. The next prime is 13821407617. The reversal of 13821407592 is 29570412831.

It is not an unprimeable number, because it can be changed into a prime (13821407591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16937592 + ... + 16938407.

It is an arithmetic number, because the mean of its divisors is an integer number (1143315000).

Almost surely, 2^13821407592 is an apocalyptic number.

13821407592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13821407592 is an abundant number, since it is smaller than the sum of its proper divisors (22764672408).

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

13821407592 is a wasteful number, since it uses less digits than its factorization.

13821407592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33876025 (or 33876021 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 13821407592 in words is "thirteen billion, eight hundred twenty-one million, four hundred seven thousand, five hundred ninety-two".