33040043013 has 8 divisors (see below), whose sum is σ = 44400268288. Its totient is φ = 21853256544.

The previous prime is 33040042979. The next prime is 33040043081. The reversal of 33040043013 is 31034004033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33040043013 - 2¹⁰ = 33040041989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33040043093) 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, 43359256 + ... + 43360017.

It is an arithmetic number, because the mean of its divisors is an integer number (5550033536).

Almost surely, 2^33040043013 is an apocalyptic number.

It is an amenable number.

33040043013 is a deficient number, since it is larger than the sum of its proper divisors (11360225275).

33040043013 is a wasteful number, since it uses less digits than its factorization.

33040043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86719403.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 33040043013 its reverse (31034004033), we get a palindrome (64074047046).

The spelling of 33040043013 in words is "thirty-three billion, forty million, forty-three thousand, thirteen".