19434001204 has 12 divisors (see below), whose sum is σ = 34651191204. Its totient is φ = 9533660864.

The previous prime is 19434001187. The next prime is 19434001207. The reversal of 19434001204 is 40210043491.

It can be written as a sum of positive squares in 2 ways, for example, as 12816504100 + 6617497104 = 113210^2 + 81348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19434001207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45834697 + ... + 45835120.

It is an arithmetic number, because the mean of its divisors is an integer number (2887599267).

Almost surely, 2^19434001204 is an apocalyptic number.

It is an amenable number.

19434001204 is a deficient number, since it is larger than the sum of its proper divisors (15217190000).

19434001204 is a wasteful number, since it uses less digits than its factorization.

19434001204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91669874 (or 91669872 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 19434001204 its reverse (40210043491), we get a palindrome (59644044695).

The spelling of 19434001204 in words is "nineteen billion, four hundred thirty-four million, one thousand, two hundred four".