13533043000 has 32 divisors (see below), whose sum is σ = 31667322960. Its totient is φ = 5413216800.

The previous prime is 13533042977. The next prime is 13533043009. The reversal of 13533043000 is 34033531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13533043009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6765522 + ... + 6767521.

Almost surely, 2^13533043000 is an apocalyptic number.

13533043000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13533043000 is an abundant number, since it is smaller than the sum of its proper divisors (18134279960).

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

13533043000 is a wasteful number, since it uses less digits than its factorization.

13533043000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533064 (or 13533050 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 22.

Adding to 13533043000 its reverse (34033531), we get a palindrome (13567076531).

The spelling of 13533043000 in words is "thirteen billion, five hundred thirty-three million, forty-three thousand".