33545232139 has 2 divisors, whose sum is σ = 33545232140. Its totient is φ = 33545232138.

The previous prime is 33545232103. The next prime is 33545232181. The reversal of 33545232139 is 93123254533.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33545232139 - 2¹⁹ = 33544707851 is a prime.

It is a super-2 number, since 2×33545232139² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (33545232239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16772616069 + 16772616070.

It is an arithmetic number, because the mean of its divisors is an integer number (16772616070).

Almost surely, 2^33545232139 is an apocalyptic number.

33545232139 is a deficient number, since it is larger than the sum of its proper divisors (1).

33545232139 is an equidigital number, since it uses as much as digits as its factorization.

33545232139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 40.

The spelling of 33545232139 in words is "thirty-three billion, five hundred forty-five million, two hundred thirty-two thousand, one hundred thirty-nine".