434332109 has 2 divisors, whose sum is σ = 434332110. Its totient is φ = 434332108.

The previous prime is 434332079. The next prime is 434332127. The reversal of 434332109 is 901233434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273803209 + 160528900 = 16547^2 + 12670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-434332109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (434332009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217166054 + 217166055.

It is an arithmetic number, because the mean of its divisors is an integer number (217166055).

Almost surely, 2^434332109 is an apocalyptic number.

It is an amenable number.

434332109 is a deficient number, since it is larger than the sum of its proper divisors (1).

434332109 is an equidigital number, since it uses as much as digits as its factorization.

434332109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 434332109 is about 20840.6360027711. The cubic root of 434332109 is about 757.3105010920.

The spelling of 434332109 in words is "four hundred thirty-four million, three hundred thirty-two thousand, one hundred nine".