30656463745208 has 16 divisors (see below), whose sum is σ = 65692422311280. Its totient is φ = 13138484462208.

The previous prime is 30656463745133. The next prime is 30656463745217. The reversal of 30656463745208 is 80254736465603.

It is a super-2 number, since 2×30656463745208² (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 3 ways as a sum of consecutive naturals, for example, 273718426241 + ... + 273718426352.

It is an arithmetic number, because the mean of its divisors is an integer number (4105776394455).

Almost surely, 2^{30656463745208} is an apocalyptic number.

It is an amenable number.

30656463745208 is an abundant number, since it is smaller than the sum of its proper divisors (35035958566072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30656463745208 is a wasteful number, since it uses less digits than its factorization.

30656463745208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547436852606 (or 547436852602 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 59.

The spelling of 30656463745208 in words is "thirty trillion, six hundred fifty-six billion, four hundred sixty-three million, seven hundred forty-five thousand, two hundred eight".