433413434021 has 4 divisors (see below), whose sum is σ = 435613502412. Its totient is φ = 431213365632.

The previous prime is 433413433969. The next prime is 433413434059. The reversal of 433413434021 is 120434314334.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236428365121 + 196985068900 = 486239^2 + 443830^2 .

It is a cyclic number.

It is not a de Polignac number, because 433413434021 - 2²⁶ = 433346325157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (433413434071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100033900 + ... + 1100034293.

It is an arithmetic number, because the mean of its divisors is an integer number (108903375603).

Almost surely, 2^433413434021 is an apocalyptic number.

It is an amenable number.

433413434021 is a deficient number, since it is larger than the sum of its proper divisors (2200068391).

433413434021 is a wasteful number, since it uses less digits than its factorization.

433413434021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200068390.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 433413434021 its reverse (120434314334), we get a palindrome (553847748355).

The spelling of 433413434021 in words is "four hundred thirty-three billion, four hundred thirteen million, four hundred thirty-four thousand, twenty-one".