33444334044013 has 4 divisors (see below), whose sum is σ = 33584268496320. Its totient is φ = 33304399591708.

The previous prime is 33444334043977. The next prime is 33444334044041. The reversal of 33444334044013 is 31044043344433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33444334044013 is a prime.

It is a super-2 number, since 2×33444334044013² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33444334044073) 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, 69967225795 + ... + 69967226272.

It is an arithmetic number, because the mean of its divisors is an integer number (8396067124080).

Almost surely, 2^{33444334044013} is an apocalyptic number.

It is an amenable number.

33444334044013 is a deficient number, since it is larger than the sum of its proper divisors (139934452307).

33444334044013 is a wasteful number, since it uses less digits than its factorization.

33444334044013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139934452306.

The product of its (nonzero) digits is 995328, while the sum is 40.

Adding to 33444334044013 its reverse (31044043344433), we get a palindrome (64488377388446).

The spelling of 33444334044013 in words is "thirty-three trillion, four hundred forty-four billion, three hundred thirty-four million, forty-four thousand, thirteen".