500040430433 has 4 divisors (see below), whose sum is σ = 500042691588. Its totient is φ = 500038169280.

The previous prime is 500040430397. The next prime is 500040430441. The reversal of 500040430433 is 334034040005.

It is a happy number.

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 60800216929 + 439240213504 = 246577^2 + 662752^2 .

It is a cyclic number.

It is not a de Polignac number, because 500040430433 - 2¹⁶ = 500040364897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500040430453) 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, 757916 + ... + 1254797.

It is an arithmetic number, because the mean of its divisors is an integer number (125010672897).

Almost surely, 2^500040430433 is an apocalyptic number.

It is an amenable number.

500040430433 is a deficient number, since it is larger than the sum of its proper divisors (2261155).

500040430433 is a wasteful number, since it uses less digits than its factorization.

500040430433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261154.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 500040430433 its reverse (334034040005), we get a palindrome (834074470438).

The spelling of 500040430433 in words is "five hundred billion, forty million, four hundred thirty thousand, four hundred thirty-three".