33321132073 has 2 divisors, whose sum is σ = 33321132074. Its totient is φ = 33321132072.

The previous prime is 33321132001. The next prime is 33321132139. The reversal of 33321132073 is 37023112333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22369090969 + 10952041104 = 149563^2 + 104652^2 .

It is an emirp because it is prime and its reverse (37023112333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33321132073 - 2²⁵ = 33287577641 is a prime.

It is a super-2 number, since 2×33321132073² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33321136073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16660566036 + 16660566037.

It is an arithmetic number, because the mean of its divisors is an integer number (16660566037).

Almost surely, 2^33321132073 is an apocalyptic number.

It is an amenable number.

33321132073 is a deficient number, since it is larger than the sum of its proper divisors (1).

33321132073 is an equidigital number, since it uses as much as digits as its factorization.

33321132073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 28.

The spelling of 33321132073 in words is "thirty-three billion, three hundred twenty-one million, one hundred thirty-two thousand, seventy-three".