33440034013 has 2 divisors, whose sum is σ = 33440034014. Its totient is φ = 33440034012.

The previous prime is 33440034007. The next prime is 33440034071. The reversal of 33440034013 is 31043004433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26616943609 + 6823090404 = 163147^2 + 82602^2 .

It is a cyclic number.

It is not a de Polignac number, because 33440034013 - 2⁵ = 33440033981 is a prime.

It is a super-2 number, since 2×33440034013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33440034913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16720017006 + 16720017007.

It is an arithmetic number, because the mean of its divisors is an integer number (16720017007).

Almost surely, 2^33440034013 is an apocalyptic number.

It is an amenable number.

33440034013 is a deficient number, since it is larger than the sum of its proper divisors (1).

33440034013 is an equidigital number, since it uses as much as digits as its factorization.

33440034013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 33440034013 its reverse (31043004433), we get a palindrome (64483038446).

The spelling of 33440034013 in words is "thirty-three billion, four hundred forty million, thirty-four thousand, thirteen".