42434221203 has 72 divisors (see below), whose sum is σ = 73796486400. Its totient is φ = 23369955840.

The previous prime is 42434221171. The next prime is 42434221223. The reversal of 42434221203 is 30212243424.

42434221203 is a `hidden beast` number, since 4 + 2 + 434 + 2 + 21 + 203 = 666.

It is not a de Polignac number, because 42434221203 - 2⁵ = 42434221171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42434221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 497358 + ... + 576396.

It is an arithmetic number, because the mean of its divisors is an integer number (1024951200).

Almost surely, 2^42434221203 is an apocalyptic number.

42434221203 is a deficient number, since it is larger than the sum of its proper divisors (31362265197).

42434221203 is a wasteful number, since it uses less digits than its factorization.

42434221203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79113 (or 79099 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42434221203 its reverse (30212243424), we get a palindrome (72646464627).

The spelling of 42434221203 in words is "forty-two billion, four hundred thirty-four million, two hundred twenty-one thousand, two hundred three".