613434109 has 2 divisors, whose sum is σ = 613434110. Its totient is φ = 613434108.

The previous prime is 613434079. The next prime is 613434119. The reversal of 613434109 is 901434316.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612414009 + 1020100 = 24747^2 + 1010^2 .

It is a cyclic number.

It is not a de Polignac number, because 613434109 - 2¹⁹ = 612909821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613434119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306717054 + 306717055.

It is an arithmetic number, because the mean of its divisors is an integer number (306717055).

Almost surely, 2^613434109 is an apocalyptic number.

It is an amenable number.

613434109 is a deficient number, since it is larger than the sum of its proper divisors (1).

613434109 is an equidigital number, since it uses as much as digits as its factorization.

613434109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 613434109 is about 24767.6020034237. The cubic root of 613434109 is about 849.6811302208.

The spelling of 613434109 in words is "six hundred thirteen million, four hundred thirty-four thousand, one hundred nine".