538783065843817 has 8 divisors (see below), whose sum is σ = 538810614579456. Its totient is φ = 538755517741392.

The previous prime is 538783065843811. The next prime is 538783065843821. The reversal of 538783065843817 is 718348560387835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538783065843817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538783065843811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2983815978 + ... + 2983996540.

It is an arithmetic number, because the mean of its divisors is an integer number (67351326822432).

Almost surely, 2^{538783065843817} is an apocalyptic number.

It is an amenable number.

538783065843817 is a deficient number, since it is larger than the sum of its proper divisors (27548735639).

538783065843817 is a wasteful number, since it uses less digits than its factorization.

538783065843817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316607.

The product of its (nonzero) digits is 3251404800, while the sum is 76.

The spelling of 538783065843817 in words is "five hundred thirty-eight trillion, seven hundred eighty-three billion, sixty-five million, eight hundred forty-three thousand, eight hundred seventeen".