433443742042873 has 4 divisors (see below), whose sum is σ = 437912234228980. Its totient is φ = 428975249856768.

The previous prime is 433443742042867. The next prime is 433443742042889. The reversal of 433443742042873 is 378240247344334.

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 197437120717824 + 236006621325049 = 14051232^2 + 15362507^2 .

It is a cyclic number.

It is not a de Polignac number, because 433443742042873 - 2⁴⁵ = 398259369954041 is a prime.

It is a super-2 number, since 2×433443742042873² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (433443742042373) 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, 2234246092908 + ... + 2234246093101.

It is an arithmetic number, because the mean of its divisors is an integer number (109478058557245).

Almost surely, 2^{433443742042873} is an apocalyptic number.

It is an amenable number.

433443742042873 is a deficient number, since it is larger than the sum of its proper divisors (4468492186107).

433443742042873 is an equidigital number, since it uses as much as digits as its factorization.

433443742042873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468492186106.

The product of its (nonzero) digits is 130056192, while the sum is 58.

The spelling of 433443742042873 in words is "four hundred thirty-three trillion, four hundred forty-three billion, seven hundred forty-two million, forty-two thousand, eight hundred seventy-three".