434736689 has 2 divisors, whose sum is σ = 434736690. Its totient is φ = 434736688.

The previous prime is 434736683. The next prime is 434736697. The reversal of 434736689 is 986637434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342250000 + 92486689 = 18500^2 + 9617^2 .

It is a cyclic number.

It is not a de Polignac number, because 434736689 - 2⁸ = 434736433 is a prime.

It is not a weakly prime, because it can be changed into another prime (434736683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217368344 + 217368345.

It is an arithmetic number, because the mean of its divisors is an integer number (217368345).

Almost surely, 2^434736689 is an apocalyptic number.

It is an amenable number.

434736689 is a deficient number, since it is larger than the sum of its proper divisors (1).

434736689 is an equidigital number, since it uses as much as digits as its factorization.

434736689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 50.

The square root of 434736689 is about 20850.3402610125. The cubic root of 434736689 is about 757.5455728190.

The spelling of 434736689 in words is "four hundred thirty-four million, seven hundred thirty-six thousand, six hundred eighty-nine".