33012969749609 has 2 divisors, whose sum is σ = 33012969749610. Its totient is φ = 33012969749608.

The previous prime is 33012969749509. The next prime is 33012969749647. The reversal of 33012969749609 is 90694796921033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27881272393984 + 5131697355625 = 5280272^2 + 2265325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33012969749609 is a prime.

It is not a weakly prime, because it can be changed into another prime (33012969749689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16506484874804 + 16506484874805.

It is an arithmetic number, because the mean of its divisors is an integer number (16506484874805).

Almost surely, 2^{33012969749609} is an apocalyptic number.

It is an amenable number.

33012969749609 is a deficient number, since it is larger than the sum of its proper divisors (1).

33012969749609 is an equidigital number, since it uses as much as digits as its factorization.

33012969749609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119042784, while the sum is 68.

The spelling of 33012969749609 in words is "thirty-three trillion, twelve billion, nine hundred sixty-nine million, seven hundred forty-nine thousand, six hundred nine".