201433108969 has 9 divisors (see below), whose sum is σ = 204932035837. Its totient is φ = 197992957324.

The previous prime is 201433108967. The next prime is 201433108979. The reversal of 201433108969 is 969801334102.

It is a happy number.

The square root of 201433108969 is 448813.

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

It is not a de Polignac number, because 201433108969 - 2¹ = 201433108967 is a prime.

It is a super-2 number, since 2×201433108969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201433108967) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26476164 + ... + 26483770.

Almost surely, 2^201433108969 is an apocalyptic number.

201433108969 is the 448813-rd square number.

201433108969 is the 224407-th centered octagonal number.

It is an amenable number.

201433108969 is a deficient number, since it is larger than the sum of its proper divisors (3498926868).

201433108969 is an frugal number, since it uses more digits than its factorization.

201433108969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15332 (or 7666 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 201433108969 in words is "two hundred one billion, four hundred thirty-three million, one hundred eight thousand, nine hundred sixty-nine".