434042447 has 2 divisors, whose sum is σ = 434042448. Its totient is φ = 434042446.

The previous prime is 434042437. The next prime is 434042467. The reversal of 434042447 is 744240434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434042447 - 2¹⁶ = 433976911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434042437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217021223 + 217021224.

It is an arithmetic number, because the mean of its divisors is an integer number (217021224).

Almost surely, 2^434042447 is an apocalyptic number.

434042447 is a deficient number, since it is larger than the sum of its proper divisors (1).

434042447 is an equidigital number, since it uses as much as digits as its factorization.

434042447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 32.

The square root of 434042447 is about 20833.6853916920. The cubic root of 434042447 is about 757.1421100893.

The spelling of 434042447 in words is "four hundred thirty-four million, forty-two thousand, four hundred forty-seven".