434345629 has 2 divisors, whose sum is σ = 434345630. Its totient is φ = 434345628.

The previous prime is 434345621. The next prime is 434345641. The reversal of 434345629 is 926543434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383964025 + 50381604 = 19595^2 + 7098^2 .

It is a cyclic number.

It is not a de Polignac number, because 434345629 - 2³ = 434345621 is a prime.

It is a super-2 number, since 2×434345629² = 377312250862811282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 434345591 and 434345600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434345621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217172814 + 217172815.

It is an arithmetic number, because the mean of its divisors is an integer number (217172815).

Almost surely, 2^434345629 is an apocalyptic number.

It is an amenable number.

434345629 is a deficient number, since it is larger than the sum of its proper divisors (1).

434345629 is an equidigital number, since it uses as much as digits as its factorization.

434345629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 40.

The square root of 434345629 is about 20840.9603665474. The cubic root of 434345629 is about 757.3183589282.

The spelling of 434345629 in words is "four hundred thirty-four million, three hundred forty-five thousand, six hundred twenty-nine".