13533544412 has 12 divisors (see below), whose sum is σ = 23687219640. Its totient is φ = 6765767376.

The previous prime is 13533544403. The next prime is 13533544417. The reversal of 13533544412 is 21444533531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533544417) 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, 220487 + ... + 275102.

It is an arithmetic number, because the mean of its divisors is an integer number (1973934970).

Almost surely, 2^13533544412 is an apocalyptic number.

It is an amenable number.

13533544412 is a deficient number, since it is larger than the sum of its proper divisors (10153675228).

13533544412 is a wasteful number, since it uses less digits than its factorization.

13533544412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502420 (or 502418 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

The spelling of 13533544412 in words is "thirteen billion, five hundred thirty-three million, five hundred forty-four thousand, four hundred twelve".