3504500430205 has 8 divisors (see below), whose sum is σ = 4205478118104. Its totient is φ = 2803548609600.

The previous prime is 3504500430203. The next prime is 3504500430313. The reversal of 3504500430205 is 5020340054053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1983486339769 + 1521014090436 = 1408363^2 + 1233294^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3504500430205 - 2¹ = 3504500430203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504500430203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6167506 + ... + 6711715.

It is an arithmetic number, because the mean of its divisors is an integer number (525684764763).

Almost surely, 2^{3504500430205} is an apocalyptic number.

It is an amenable number.

3504500430205 is a deficient number, since it is larger than the sum of its proper divisors (700977687899).

3504500430205 is a wasteful number, since it uses less digits than its factorization.

3504500430205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12933647.

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 3504500430205 its reverse (5020340054053), we get a palindrome (8524840484258).

The spelling of 3504500430205 in words is "three trillion, five hundred four billion, five hundred million, four hundred thirty thousand, two hundred five".