30641986568 has 36 divisors (see below), whose sum is σ = 57930156495. Its totient is φ = 15194987280.

The previous prime is 30641986537. The next prime is 30641986597. The reversal of 30641986568 is 86568914603.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 15320993284 + 15320993284 = 123778^2 + 123778^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=123778.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 98527133 + ... + 98527443.

Almost surely, 2^30641986568 is an apocalyptic number.

It is an amenable number.

30641986568 is a deficient number, since it is larger than the sum of its proper divisors (27288169927).

30641986568 is an frugal number, since it uses more digits than its factorization.

30641986568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 30641986568 in words is "thirty billion, six hundred forty-one million, nine hundred eighty-six thousand, five hundred sixty-eight".