434155442120009 has 2 divisors, whose sum is σ = 434155442120010. Its totient is φ = 434155442120008.

The previous prime is 434155442119981. The next prime is 434155442120053. The reversal of 434155442120009 is 900021244551434.

It is an a-pointer prime, because the next prime (434155442120053) can be obtained adding 434155442120009 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 288001366183609 + 146154075936400 = 16970603^2 + 12089420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434155442120009 is a prime.

It is not a weakly prime, because it can be changed into another prime (434155442120089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217077721060004 + 217077721060005.

It is an arithmetic number, because the mean of its divisors is an integer number (217077721060005).

Almost surely, 2^{434155442120009} is an apocalyptic number.

It is an amenable number.

434155442120009 is a deficient number, since it is larger than the sum of its proper divisors (1).

434155442120009 is an equidigital number, since it uses as much as digits as its factorization.

434155442120009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 434155442120009 in words is "four hundred thirty-four trillion, one hundred fifty-five billion, four hundred forty-two million, one hundred twenty thousand, nine".