30421042194 has 32 divisors (see below), whose sum is σ = 60986312640. Its totient is φ = 10116340992.

The previous prime is 30421042187. The next prime is 30421042217. The reversal of 30421042194 is 49124012403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5011149 + ... + 5017215.

It is an arithmetic number, because the mean of its divisors is an integer number (1905822270).

Almost surely, 2^30421042194 is an apocalyptic number.

30421042194 is an abundant number, since it is smaller than the sum of its proper divisors (30565270446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30421042194 is a wasteful number, since it uses less digits than its factorization.

30421042194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7914.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 30421042194 its reverse (49124012403), we get a palindrome (79545054597).

The spelling of 30421042194 in words is "thirty billion, four hundred twenty-one million, forty-two thousand, one hundred ninety-four".