33545142309 has 12 divisors (see below), whose sum is σ = 52029200544. Its totient is φ = 19168652664.

The previous prime is 33545142307. The next prime is 33545142313. The reversal of 33545142309 is 90324154533.

It is not a de Polignac number, because 33545142309 - 2¹ = 33545142307 is a prime.

It is a super-2 number, since 2×33545142309² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33545142307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114098977 + ... + 114099270.

It is an arithmetic number, because the mean of its divisors is an integer number (4335766712).

Almost surely, 2^33545142309 is an apocalyptic number.

It is an amenable number.

33545142309 is a deficient number, since it is larger than the sum of its proper divisors (18484058235).

33545142309 is a wasteful number, since it uses less digits than its factorization.

33545142309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228198264 (or 228198257 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The spelling of 33545142309 in words is "thirty-three billion, five hundred forty-five million, one hundred forty-two thousand, three hundred nine".