33243434573 has 2 divisors, whose sum is σ = 33243434574. Its totient is φ = 33243434572.

The previous prime is 33243434527. The next prime is 33243434591. The reversal of 33243434573 is 37543434233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22625574724 + 10617859849 = 150418^2 + 103043^2 .

It is a cyclic number.

It is not a de Polignac number, because 33243434573 - 2⁶ = 33243434509 is a prime.

It is a super-2 number, since 2×33243434573² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33243434573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33243434503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621717286 + 16621717287.

It is an arithmetic number, because the mean of its divisors is an integer number (16621717287).

Almost surely, 2^33243434573 is an apocalyptic number.

It is an amenable number.

33243434573 is a deficient number, since it is larger than the sum of its proper divisors (1).

33243434573 is an equidigital number, since it uses as much as digits as its factorization.

33243434573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 41.

The spelling of 33243434573 in words is "thirty-three billion, two hundred forty-three million, four hundred thirty-four thousand, five hundred seventy-three".