30693843625209 has 8 divisors (see below), whose sum is σ = 41006486912832. Its totient is φ = 20421881377200.

The previous prime is 30693843625187. The next prime is 30693843625223. The reversal of 30693843625209 is 90252634839603.

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

It is not a de Polignac number, because 30693843625209 - 2³² = 30689548657913 is a prime.

It is a super-2 number, since 2×30693843625209² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30693843625009) 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, 10170258142 + ... + 10170261159.

It is an arithmetic number, because the mean of its divisors is an integer number (5125810864104).

Almost surely, 2^{30693843625209} is an apocalyptic number.

It is an amenable number.

30693843625209 is a deficient number, since it is larger than the sum of its proper divisors (10312643287623).

30693843625209 is a wasteful number, since it uses less digits than its factorization.

30693843625209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340519807.

The product of its (nonzero) digits is 50388480, while the sum is 60.

The spelling of 30693843625209 in words is "thirty trillion, six hundred ninety-three billion, eight hundred forty-three million, six hundred twenty-five thousand, two hundred nine".