538816131759 has 4 divisors (see below), whose sum is σ = 718421509016. Its totient is φ = 359210754504.

The previous prime is 538816131697. The next prime is 538816131761. The reversal of 538816131759 is 957131618835.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 538816131759 - 2¹³ = 538816123567 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 538816131699 and 538816131708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538816131779) 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, 89802688624 + ... + 89802688629.

It is an arithmetic number, because the mean of its divisors is an integer number (179605377254).

Almost surely, 2^538816131759 is an apocalyptic number.

538816131759 is a deficient number, since it is larger than the sum of its proper divisors (179605377257).

538816131759 is a wasteful number, since it uses less digits than its factorization.

538816131759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179605377256.

The product of its digits is 5443200, while the sum is 57.

The spelling of 538816131759 in words is "five hundred thirty-eight billion, eight hundred sixteen million, one hundred thirty-one thousand, seven hundred fifty-nine".