13833021904 has 20 divisors (see below), whose sum is σ = 28863132676. Its totient is φ = 6384471552.

The previous prime is 13833021901. The next prime is 13833021929. The reversal of 13833021904 is 40912033831.

It can be written as a sum of positive squares in 2 ways, for example, as 1120910400 + 12712111504 = 33480^2 + 112748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13833021904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13833021901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33252249 + ... + 33252664.

Almost surely, 2^13833021904 is an apocalyptic number.

It is an amenable number.

13833021904 is an abundant number, since it is smaller than the sum of its proper divisors (15030110772).

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

13833021904 is a wasteful number, since it uses less digits than its factorization.

13833021904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66504934 (or 66504928 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 13833021904 in words is "thirteen billion, eight hundred thirty-three million, twenty-one thousand, nine hundred four".