83434900201 has 3 divisors (see below), whose sum is σ = 83435189053. Its totient is φ = 83434611350.

The previous prime is 83434900187. The next prime is 83434900229. The reversal of 83434900201 is 10200943438.

The square root of 83434900201 is 288851.

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.

It is not a de Polignac number, because 83434900201 - 2⁹ = 83434899689 is a prime.

It is a super-2 number, since 2×83434900201² (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 (83434900271) 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, 144426 + ... + 433276.

Almost surely, 2^83434900201 is an apocalyptic number.

83434900201 is the 288851-st square number.

83434900201 is the 144426-th centered octagonal number.

It is an amenable number.

83434900201 is a deficient number, since it is larger than the sum of its proper divisors (288852).

83434900201 is an frugal number, since it uses more digits than its factorization.

83434900201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577702 (or 288851 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 83434900201 in words is "eighty-three billion, four hundred thirty-four million, nine hundred thousand, two hundred one".