104439553717 has 6 divisors (see below), whose sum is σ = 107264263298. Its totient is φ = 101614950432.

The previous prime is 104439553711. The next prime is 104439553721. The reversal of 104439553717 is 717355934401.

It can be written as a sum of positive squares in 3 ways, for example, as 79193839396 + 25245714321 = 281414^2 + 158889^2 .

It is a de Polignac number, because none of the positive numbers 2^k-104439553717 is a prime.

It is a super-2 number, since 2×104439553717² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104439553711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1939209 + ... + 1992337.

Almost surely, 2^104439553717 is an apocalyptic number.

It is an amenable number.

104439553717 is a deficient number, since it is larger than the sum of its proper divisors (2824709581).

104439553717 is an frugal number, since it uses more digits than its factorization.

104439553717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106295 (or 53166 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 104439553717 in words is "one hundred four billion, four hundred thirty-nine million, five hundred fifty-three thousand, seven hundred seventeen".