434345663 has 2 divisors, whose sum is σ = 434345664. Its totient is φ = 434345662.

The previous prime is 434345641. The next prime is 434345687. The reversal of 434345663 is 366543434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434345663 - 2⁶ = 434345599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434345063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217172831 + 217172832.

It is an arithmetic number, because the mean of its divisors is an integer number (217172832).

Almost surely, 2^434345663 is an apocalyptic number.

434345663 is a deficient number, since it is larger than the sum of its proper divisors (1).

434345663 is an equidigital number, since it uses as much as digits as its factorization.

434345663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 38.

The square root of 434345663 is about 20840.9611822488. The cubic root of 434345663 is about 757.3183786889.

The spelling of 434345663 in words is "four hundred thirty-four million, three hundred forty-five thousand, six hundred sixty-three".