30605704609 has 2 divisors, whose sum is σ = 30605704610. Its totient is φ = 30605704608.

The previous prime is 30605704601. The next prime is 30605704627. The reversal of 30605704609 is 90640750603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20125678225 + 10480026384 = 141865^2 + 102372^2 .

It is a cyclic number.

It is not a de Polignac number, because 30605704609 - 2³ = 30605704601 is a prime.

It is a super-2 number, since 2×30605704609² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30605704601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15302852304 + 15302852305.

It is an arithmetic number, because the mean of its divisors is an integer number (15302852305).

Almost surely, 2^30605704609 is an apocalyptic number.

It is an amenable number.

30605704609 is a deficient number, since it is larger than the sum of its proper divisors (1).

30605704609 is an equidigital number, since it uses as much as digits as its factorization.

30605704609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 30605704609 in words is "thirty billion, six hundred five million, seven hundred four thousand, six hundred nine".