33112106749 has 2 divisors, whose sum is σ = 33112106750. Its totient is φ = 33112106748.

The previous prime is 33112106747. The next prime is 33112106773. The reversal of 33112106749 is 94760121133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33017433849 + 94672900 = 181707^2 + 9730^2 .

It is a cyclic number.

It is not a de Polignac number, because 33112106749 - 2¹ = 33112106747 is a prime.

It is a super-2 number, since 2×33112106749² (a number of 22 digits) contains 22 as substring.

Together with 33112106747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33112106747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16556053374 + 16556053375.

It is an arithmetic number, because the mean of its divisors is an integer number (16556053375).

Almost surely, 2^33112106749 is an apocalyptic number.

It is an amenable number.

33112106749 is a deficient number, since it is larger than the sum of its proper divisors (1).

33112106749 is an equidigital number, since it uses as much as digits as its factorization.

33112106749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 33112106749 in words is "thirty-three billion, one hundred twelve million, one hundred six thousand, seven hundred forty-nine".