538268919 has 8 divisors (see below), whose sum is σ = 717884160. Its totient is φ = 358749816.

The previous prime is 538268897. The next prime is 538268947. The reversal of 538268919 is 919862835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538268919 - 2²³ = 529880311 is a prime.

It is a super-2 number, since 2×538268919² = 579466858322857122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538268519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9757 + ... + 34230.

It is an arithmetic number, because the mean of its divisors is an integer number (89735520).

Almost surely, 2^538268919 is an apocalyptic number.

538268919 is a deficient number, since it is larger than the sum of its proper divisors (179615241).

538268919 is a wasteful number, since it uses less digits than its factorization.

538268919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48069.

The product of its digits is 933120, while the sum is 51.

The square root of 538268919 is about 23200.6232459389. The cubic root of 538268919 is about 813.4541911275.

The spelling of 538268919 in words is "five hundred thirty-eight million, two hundred sixty-eight thousand, nine hundred nineteen".