39075206197 has 4 divisors (see below), whose sum is σ = 41373747756. Its totient is φ = 36776664640.

The previous prime is 39075206117. The next prime is 39075206237. The reversal of 39075206197 is 79160257093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79160257093 = 7687 ⋅10297939.

It can be written as a sum of positive squares in 2 ways, for example, as 36327978801 + 2747227396 = 190599^2 + 52414^2 .

It is a cyclic number.

It is not a de Polignac number, because 39075206197 - 2¹¹ = 39075204149 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 39075206197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39075206117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149270754 + ... + 1149270787.

It is an arithmetic number, because the mean of its divisors is an integer number (10343436939).

Almost surely, 2^39075206197 is an apocalyptic number.

It is an amenable number.

39075206197 is a deficient number, since it is larger than the sum of its proper divisors (2298541559).

39075206197 is a wasteful number, since it uses less digits than its factorization.

39075206197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298541558.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 39075206197 in words is "thirty-nine billion, seventy-five million, two hundred six thousand, one hundred ninety-seven".