435068202409 has 3 divisors (see below), whose sum is σ = 435068862007. Its totient is φ = 435067542812.

The previous prime is 435068202407. The next prime is 435068202419. The reversal of 435068202409 is 904202860534.

The square root of 435068202409 is 659597.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 904202860534 = 2 ⋅452101430267.

It can be written as a sum of positive squares in only one way, i.e., 213818384025 + 221249818384 = 462405^2 + 470372^2 .

It is not a de Polignac number, because 435068202409 - 2¹ = 435068202407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (435068202407) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 329799 + ... + 989395.

Almost surely, 2^435068202409 is an apocalyptic number.

435068202409 is the 659597-th square number.

435068202409 is the 329799-th centered octagonal number.

It is an amenable number.

435068202409 is a deficient number, since it is larger than the sum of its proper divisors (659598).

435068202409 is an frugal number, since it uses more digits than its factorization.

435068202409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319194 (or 659597 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 435068202409 in words is "four hundred thirty-five billion, sixty-eight million, two hundred two thousand, four hundred nine".