3988374251317 has 4 divisors (see below), whose sum is σ = 3988403598796. Its totient is φ = 3988344903840.

The previous prime is 3988374251311. The next prime is 3988374251321. The reversal of 3988374251317 is 7131524738893.

3988374251317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3404740897636 + 583633353681 = 1845194^2 + 763959^2 .

It is a cyclic number.

It is not a de Polignac number, because 3988374251317 - 2⁷ = 3988374251189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3988374251311) 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, 14468934 + ... + 14742007.

It is an arithmetic number, because the mean of its divisors is an integer number (997100899699).

Almost surely, 2^{3988374251317} is an apocalyptic number.

It is an amenable number.

3988374251317 is a deficient number, since it is larger than the sum of its proper divisors (29347479).

3988374251317 is a wasteful number, since it uses less digits than its factorization.

3988374251317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29347478.

The product of its digits is 30481920, while the sum is 61.

The spelling of 3988374251317 in words is "three trillion, nine hundred eighty-eight billion, three hundred seventy-four million, two hundred fifty-one thousand, three hundred seventeen".