30389198307808 has 48 divisors (see below), whose sum is σ = 60046145084016. Its totient is φ = 15139394426880.

The previous prime is 30389198307751. The next prime is 30389198307823. The reversal of 30389198307808 is 80870389198303.

It is a super-2 number, since 2×30389198307808² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93304410 + ... + 93629542.

It is an arithmetic number, because the mean of its divisors is an integer number (1250961355917).

Almost surely, 2^{30389198307808} is an apocalyptic number.

It is an amenable number.

30389198307808 is a deficient number, since it is larger than the sum of its proper divisors (29656946776208).

30389198307808 is a wasteful number, since it uses less digits than its factorization.

30389198307808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335747 (or 335739 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 67.

The spelling of 30389198307808 in words is "thirty trillion, three hundred eighty-nine billion, one hundred ninety-eight million, three hundred seven thousand, eight hundred eight".