30561345352642 has 16 divisors (see below), whose sum is σ = 49368883677120. Its totient is φ = 14105077296912.

The previous prime is 30561345352639. The next prime is 30561345352663. The reversal of 30561345352642 is 24625354316503.

It is a super-3 number, since 3×30561345352642³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4259292 + ... + 8903047.

It is an arithmetic number, because the mean of its divisors is an integer number (3085555229820).

Almost surely, 2^{30561345352642} is an apocalyptic number.

30561345352642 is a deficient number, since it is larger than the sum of its proper divisors (18807538324478).

30561345352642 is a wasteful number, since it uses less digits than its factorization.

30561345352642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13251657.

The product of its (nonzero) digits is 7776000, while the sum is 49.

The spelling of 30561345352642 in words is "thirty trillion, five hundred sixty-one billion, three hundred forty-five million, three hundred fifty-two thousand, six hundred forty-two".