538499433 has 4 divisors (see below), whose sum is σ = 717999248. Its totient is φ = 358999620.

The previous prime is 538499417. The next prime is 538499441. The reversal of 538499433 is 334994835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 538499433 - 2⁴ = 538499417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538499413) 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, 89749903 + ... + 89749908.

It is an arithmetic number, because the mean of its divisors is an integer number (179499812).

Almost surely, 2^538499433 is an apocalyptic number.

It is an amenable number.

538499433 is a deficient number, since it is larger than the sum of its proper divisors (179499815).

538499433 is a wasteful number, since it uses less digits than its factorization.

538499433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179499814.

The product of its digits is 1399680, while the sum is 48.

The square root of 538499433 is about 23205.5905548641. The cubic root of 538499433 is about 813.5702953099.

The spelling of 538499433 in words is "five hundred thirty-eight million, four hundred ninety-nine thousand, four hundred thirty-three".