434342539 has 2 divisors, whose sum is σ = 434342540. Its totient is φ = 434342538.

The previous prime is 434342501. The next prime is 434342621. The reversal of 434342539 is 935243434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 434342539 - 2¹⁹ = 433818251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434342498 and 434342507.

It is not a weakly prime, because it can be changed into another prime (434348539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217171269 + 217171270.

It is an arithmetic number, because the mean of its divisors is an integer number (217171270).

Almost surely, 2^434342539 is an apocalyptic number.

434342539 is a deficient number, since it is larger than the sum of its proper divisors (1).

434342539 is an equidigital number, since it uses as much as digits as its factorization.

434342539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 37.

The square root of 434342539 is about 20840.8862335554. The cubic root of 434342539 is about 757.3165630318.

The spelling of 434342539 in words is "four hundred thirty-four million, three hundred forty-two thousand, five hundred thirty-nine".