434464909 has 2 divisors, whose sum is σ = 434464910. Its totient is φ = 434464908.

The previous prime is 434464867. The next prime is 434464931. The reversal of 434464909 is 909464434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262278025 + 172186884 = 16195^2 + 13122^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434464909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434464409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217232454 + 217232455.

It is an arithmetic number, because the mean of its divisors is an integer number (217232455).

Almost surely, 2^434464909 is an apocalyptic number.

It is an amenable number.

434464909 is a deficient number, since it is larger than the sum of its proper divisors (1).

434464909 is an equidigital number, since it uses as much as digits as its factorization.

434464909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 434464909 is about 20843.8218424549. The cubic root of 434464909 is about 757.3876775077.

The spelling of 434464909 in words is "four hundred thirty-four million, four hundred sixty-four thousand, nine hundred nine".