201042033433 has 4 divisors (see below), whose sum is σ = 201083913268. Its totient is φ = 201000153600.

The previous prime is 201042033299. The next prime is 201042033443. The reversal of 201042033433 is 334330240102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334330240102 = 2 ⋅167165120051.

It can be written as a sum of positive squares in 2 ways, for example, as 131516473104 + 69525560329 = 362652^2 + 263677^2 .

It is a cyclic number.

It is not a de Polignac number, because 201042033433 - 2¹⁷ = 201041902361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201042033398 and 201042033407.

It is not an unprimeable number, because it can be changed into a prime (201042033443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20932716 + ... + 20942317.

It is an arithmetic number, because the mean of its divisors is an integer number (50270978317).

Almost surely, 2^201042033433 is an apocalyptic number.

It is an amenable number.

201042033433 is a deficient number, since it is larger than the sum of its proper divisors (41879835).

201042033433 is an equidigital number, since it uses as much as digits as its factorization.

201042033433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41879834.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 201042033433 its reverse (334330240102), we get a palindrome (535372273535).

The spelling of 201042033433 in words is "two hundred one billion, forty-two million, thirty-three thousand, four hundred thirty-three".