538903423538 has 16 divisors (see below), whose sum is σ = 810493313280. Its totient is φ = 268739157456.

The previous prime is 538903423537. The next prime is 538903423571. The reversal of 538903423538 is 835324309835.

It is a super-3 number, since 3×538903423538³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 538903423538.

It is not an unprimeable number, because it can be changed into a prime (538903423537) 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, 6998933 + ... + 7075511.

It is an arithmetic number, because the mean of its divisors is an integer number (50655832080).

Almost surely, 2^538903423538 is an apocalyptic number.

538903423538 is a deficient number, since it is larger than the sum of its proper divisors (271589889742).

538903423538 is a wasteful number, since it uses less digits than its factorization.

538903423538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85841.

The product of its (nonzero) digits is 9331200, while the sum is 53.

The spelling of 538903423538 in words is "five hundred thirty-eight billion, nine hundred three million, four hundred twenty-three thousand, five hundred thirty-eight".