39375085602817 has 4 divisors (see below), whose sum is σ = 39538467700996. Its totient is φ = 39211703504640.

The previous prime is 39375085602791. The next prime is 39375085602829. The reversal of 39375085602817 is 71820658057393.

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 14065020112896 + 25310065489921 = 3750336^2 + 5030911^2 .

It is a cyclic number.

It is not a de Polignac number, because 39375085602817 - 2¹¹ = 39375085600769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39375085602847) 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, 81691048728 + ... + 81691049209.

It is an arithmetic number, because the mean of its divisors is an integer number (9884616925249).

Almost surely, 2^{39375085602817} is an apocalyptic number.

It is an amenable number.

39375085602817 is a deficient number, since it is larger than the sum of its proper divisors (163382098179).

39375085602817 is a wasteful number, since it uses less digits than its factorization.

39375085602817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163382098178.

The product of its (nonzero) digits is 76204800, while the sum is 64.

The spelling of 39375085602817 in words is "thirty-nine trillion, three hundred seventy-five billion, eighty-five million, six hundred two thousand, eight hundred seventeen".