30892042738 has 32 divisors (see below), whose sum is σ = 48378181824. Its totient is φ = 14781419712.

The previous prime is 30892042723. The next prime is 30892042747. The reversal of 30892042738 is 83724029803.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1383156 + ... + 1405312.

It is an arithmetic number, because the mean of its divisors is an integer number (1511818182).

Almost surely, 2^30892042738 is an apocalyptic number.

30892042738 is a deficient number, since it is larger than the sum of its proper divisors (17486139086).

30892042738 is a wasteful number, since it uses less digits than its factorization.

30892042738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22506.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 30892042738 in words is "thirty billion, eight hundred ninety-two million, forty-two thousand, seven hundred thirty-eight".