537665834717 has 8 divisors (see below), whose sum is σ = 599024218752. Its totient is φ = 478387396000.

The previous prime is 537665834627. The next prime is 537665834743. The reversal of 537665834717 is 717438566735.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 537665834717 - 2¹⁶ = 537665769181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 537665834717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537665834917) 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, 519985784 + ... + 519986817.

It is an arithmetic number, because the mean of its divisors is an integer number (74878027344).

Almost surely, 2^537665834717 is an apocalyptic number.

It is an amenable number.

537665834717 is a deficient number, since it is larger than the sum of its proper divisors (61358384035).

537665834717 is a wasteful number, since it uses less digits than its factorization.

537665834717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039972659.

The product of its digits is 88905600, while the sum is 62.

The spelling of 537665834717 in words is "five hundred thirty-seven billion, six hundred sixty-five million, eight hundred thirty-four thousand, seven hundred seventeen".