30406506512209 has 8 divisors (see below), whose sum is σ = 32030160603840. Its totient is φ = 28785183584976.

The previous prime is 30406506512203. The next prime is 30406506512219. The reversal of 30406506512209 is 90221560560403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30406506512209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30406506512203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582764317 + ... + 582816490.

It is an arithmetic number, because the mean of its divisors is an integer number (4003770075480).

Almost surely, 2^{30406506512209} is an apocalyptic number.

It is an amenable number.

30406506512209 is a deficient number, since it is larger than the sum of its proper divisors (1623654091631).

30406506512209 is a wasteful number, since it uses less digits than its factorization.

30406506512209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165582199.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 30406506512209 in words is "thirty trillion, four hundred six billion, five hundred six million, five hundred twelve thousand, two hundred nine".