30608552209 has 9 divisors (see below), whose sum is σ = 31206422289. Its totient is φ = 30021934800.

The previous prime is 30608552137. The next prime is 30608552297. The reversal of 30608552209 is 90225580603.

The square root of 30608552209 is 174953.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 218300625 + 30390251584 = 14775^2 + 174328^2 .

It is not a de Polignac number, because 30608552209 - 2¹⁹ = 30608027921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30608552809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9270859 + ... + 9274159.

Almost surely, 2^30608552209 is an apocalyptic number.

30608552209 is the 174953-rd square number.

30608552209 is the 87477-th centered octagonal number.

It is an amenable number.

30608552209 is a deficient number, since it is larger than the sum of its proper divisors (597870080).

30608552209 is an frugal number, since it uses more digits than its factorization.

30608552209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708 (or 3354 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 30608552209 in words is "thirty billion, six hundred eight million, five hundred fifty-two thousand, two hundred nine".