30680790563 has 4 divisors (see below), whose sum is σ = 30696664608. Its totient is φ = 30664916520.

The previous prime is 30680790533. The next prime is 30680790571. The reversal of 30680790563 is 36509708603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36509708603 = 7669 ⋅4760687.

It is a cyclic number.

It is not a de Polignac number, because 30680790563 - 2¹⁰ = 30680789539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30680790533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7934123 + ... + 7937988.

It is an arithmetic number, because the mean of its divisors is an integer number (7674166152).

Almost surely, 2^30680790563 is an apocalyptic number.

30680790563 is a deficient number, since it is larger than the sum of its proper divisors (15874045).

30680790563 is a wasteful number, since it uses less digits than its factorization.

30680790563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15874044.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 30680790563 in words is "thirty billion, six hundred eighty million, seven hundred ninety thousand, five hundred sixty-three".