433734853778909 has 2 divisors, whose sum is σ = 433734853778910. Its totient is φ = 433734853778908.

The previous prime is 433734853778903. The next prime is 433734853778921. The reversal of 433734853778909 is 909877358437334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349802321218009 + 83932532560900 = 18703003^2 + 9161470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-433734853778909 is a prime.

It is a super-2 number, since 2×433734853778909² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (433734853778903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216867426889454 + 216867426889455.

It is an arithmetic number, because the mean of its divisors is an integer number (216867426889455).

Almost surely, 2^{433734853778909} is an apocalyptic number.

It is an amenable number.

433734853778909 is a deficient number, since it is larger than the sum of its proper divisors (1).

433734853778909 is an equidigital number, since it uses as much as digits as its factorization.

433734853778909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11522165760, while the sum is 80.

The spelling of 433734853778909 in words is "four hundred thirty-three trillion, seven hundred thirty-four billion, eight hundred fifty-three million, seven hundred seventy-eight thousand, nine hundred nine".