4204357505209 has 9 divisors (see below), whose sum is σ = 4218728730597. Its totient is φ = 4190035091004.

The previous prime is 4204357505207. The next prime is 4204357505213. The reversal of 4204357505209 is 9025057534024.

The square root of 4204357505209 is 2050453.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 4204357505209 - 2¹ = 4204357505207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4204357505207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 629485732 + ... + 629492410.

It is an arithmetic number, because the mean of its divisors is an integer number (468747636733).

Almost surely, 2^{4204357505209} is an apocalyptic number.

4204357505209 is the 2050453-rd square number.

4204357505209 is the 1025227-th centered octagonal number.

It is an amenable number.

4204357505209 is a deficient number, since it is larger than the sum of its proper divisors (14371225388).

4204357505209 is an frugal number, since it uses more digits than its factorization.

4204357505209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13972 (or 6986 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 46.

The spelling of 4204357505209 in words is "four trillion, two hundred four billion, three hundred fifty-seven million, five hundred five thousand, two hundred nine".