33242552509 has 2 divisors, whose sum is σ = 33242552510. Its totient is φ = 33242552508.

The previous prime is 33242552507. The next prime is 33242552537. The reversal of 33242552509 is 90525524233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18083525625 + 15159026884 = 134475^2 + 123122^2 .

It is a cyclic number.

It is not a de Polignac number, because 33242552509 - 2¹ = 33242552507 is a prime.

It is a super-2 number, since 2×33242552509² (a number of 22 digits) contains 22 as substring.

Together with 33242552507, 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 (33242552501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16621276254 + 16621276255.

It is an arithmetic number, because the mean of its divisors is an integer number (16621276255).

Almost surely, 2^33242552509 is an apocalyptic number.

It is an amenable number.

33242552509 is a deficient number, since it is larger than the sum of its proper divisors (1).

33242552509 is an equidigital number, since it uses as much as digits as its factorization.

33242552509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 40.

The spelling of 33242552509 in words is "thirty-three billion, two hundred forty-two million, five hundred fifty-two thousand, five hundred nine".