434153609 has 2 divisors, whose sum is σ = 434153610. Its totient is φ = 434153608.

The previous prime is 434153593. The next prime is 434153611. The reversal of 434153609 is 906351434.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432515209 + 1638400 = 20797^2 + 1280^2 .

It is a cyclic number.

It is not a de Polignac number, because 434153609 - 2⁴ = 434153593 is a prime.

Together with 434153611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (434153639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217076804 + 217076805.

It is an arithmetic number, because the mean of its divisors is an integer number (217076805).

Almost surely, 2^434153609 is an apocalyptic number.

It is an amenable number.

434153609 is a deficient number, since it is larger than the sum of its proper divisors (1).

434153609 is an equidigital number, since it uses as much as digits as its factorization.

434153609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 434153609 is about 20836.3530638161. The cubic root of 434153609 is about 757.2067414386.

The spelling of 434153609 in words is "four hundred thirty-four million, one hundred fifty-three thousand, six hundred nine".