30643304680895 has 16 divisors (see below), whose sum is σ = 37151369303328. Its totient is φ = 24261712189440.

The previous prime is 30643304680853. The next prime is 30643304680951. The reversal of 30643304680895 is 59808640334603.

It is a happy number.

It is not a de Polignac number, because 30643304680895 - 2³⁰ = 30642230939071 is a prime.

It is a super-2 number, since 2×30643304680895² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87992915 + ... + 88340475.

It is an arithmetic number, because the mean of its divisors is an integer number (2321960581458).

Almost surely, 2^{30643304680895} is an apocalyptic number.

30643304680895 is a deficient number, since it is larger than the sum of its proper divisors (6508064622433).

30643304680895 is a wasteful number, since it uses less digits than its factorization.

30643304680895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529450.

The product of its (nonzero) digits is 44789760, while the sum is 59.

The spelling of 30643304680895 in words is "thirty trillion, six hundred forty-three billion, three hundred four million, six hundred eighty thousand, eight hundred ninety-five".