433223290809 has 15 divisors (see below), whose sum is σ = 647169567583. Its totient is φ = 288811578024.

The previous prime is 433223290781. The next prime is 433223290817. The reversal of 433223290809 is 908092322334.

The square root of 433223290809 is 658197.

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

433223290809 is a `hidden beast` number, since 4 + 332 + 23 + 290 + 8 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 333384986025 + 99838304784 = 577395^2 + 315972^2 .

It is not a de Polignac number, because 433223290809 - 2⁵ = 433223290777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (433223290849) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5887207 + ... + 5960339.

Almost surely, 2^433223290809 is an apocalyptic number.

433223290809 is the 658197-th square number.

433223290809 is the 329099-th centered octagonal number.

It is an amenable number.

433223290809 is a deficient number, since it is larger than the sum of its proper divisors (213946276774).

433223290809 is an frugal number, since it uses more digits than its factorization.

433223290809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146278 (or 73136 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 433223290809 in words is "four hundred thirty-three billion, two hundred twenty-three million, two hundred ninety thousand, eight hundred nine".