434205444089 has 2 divisors, whose sum is σ = 434205444090. Its totient is φ = 434205444088.

The previous prime is 434205444073. The next prime is 434205444137. The reversal of 434205444089 is 980444502434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423286866025 + 10918578064 = 650605^2 + 104492^2 .

It is a cyclic number.

It is not a de Polignac number, because 434205444089 - 2⁴ = 434205444073 is a prime.

It is not a weakly prime, because it can be changed into another prime (434202444089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217102722044 + 217102722045.

It is an arithmetic number, because the mean of its divisors is an integer number (217102722045).

Almost surely, 2^434205444089 is an apocalyptic number.

It is an amenable number.

434205444089 is a deficient number, since it is larger than the sum of its proper divisors (1).

434205444089 is an equidigital number, since it uses as much as digits as its factorization.

434205444089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 434205444089 in words is "four hundred thirty-four billion, two hundred five million, four hundred forty-four thousand, eighty-nine".