30424021651 has 4 divisors (see below), whose sum is σ = 30436931952. Its totient is φ = 30411111352.

The previous prime is 30424021631. The next prime is 30424021679. The reversal of 30424021651 is 15612042403.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30424021651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30424021631) 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, 6451615 + ... + 6456328.

It is an arithmetic number, because the mean of its divisors is an integer number (7609232988).

Almost surely, 2^30424021651 is an apocalyptic number.

30424021651 is a deficient number, since it is larger than the sum of its proper divisors (12910301).

30424021651 is a wasteful number, since it uses less digits than its factorization.

30424021651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12910300.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 30424021651 in words is "thirty billion, four hundred twenty-four million, twenty-one thousand, six hundred fifty-one".