434208644347 has 2 divisors, whose sum is σ = 434208644348. Its totient is φ = 434208644346.

The previous prime is 434208644257. The next prime is 434208644351. The reversal of 434208644347 is 743446802434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 434208644347 - 2¹¹ = 434208642299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 434208644347.

It is not a weakly prime, because it can be changed into another prime (434208644047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217104322173 + 217104322174.

It is an arithmetic number, because the mean of its divisors is an integer number (217104322174).

Almost surely, 2^434208644347 is an apocalyptic number.

434208644347 is a deficient number, since it is larger than the sum of its proper divisors (1).

434208644347 is an equidigital number, since it uses as much as digits as its factorization.

434208644347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6193152, while the sum is 49.

The spelling of 434208644347 in words is "four hundred thirty-four billion, two hundred eight million, six hundred forty-four thousand, three hundred forty-seven".