434503669 has 2 divisors, whose sum is σ = 434503670. Its totient is φ = 434503668.

The previous prime is 434503639. The next prime is 434503709. The reversal of 434503669 is 966305434.

It is an a-pointer prime, because the next prime (434503709) can be obtained adding 434503669 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314601169 + 119902500 = 17737^2 + 10950^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434503669 is a prime.

It is a super-2 number, since 2×434503669² = 377586876748923122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434503639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217251834 + 217251835.

It is an arithmetic number, because the mean of its divisors is an integer number (217251835).

Almost surely, 2^434503669 is an apocalyptic number.

It is an amenable number.

434503669 is a deficient number, since it is larger than the sum of its proper divisors (1).

434503669 is an equidigital number, since it uses as much as digits as its factorization.

434503669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 40.

The square root of 434503669 is about 20844.7515936266. The cubic root of 434503669 is about 757.4101998280.

The spelling of 434503669 in words is "four hundred thirty-four million, five hundred three thousand, six hundred sixty-nine".