39385386197 has 4 divisors (see below), whose sum is σ = 41458301280. Its totient is φ = 37312471116.

The previous prime is 39385386167. The next prime is 39385386217. The reversal of 39385386197 is 79168358393.

39385386197 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79168358393 = 191 ⋅414494023.

It is a cyclic number.

It is not a de Polignac number, because 39385386197 - 2²⁰ = 39384337621 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 (39385386167) 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, 1036457513 + ... + 1036457550.

It is an arithmetic number, because the mean of its divisors is an integer number (10364575320).

Almost surely, 2^39385386197 is an apocalyptic number.

It is an amenable number.

39385386197 is a deficient number, since it is larger than the sum of its proper divisors (2072915083).

39385386197 is a wasteful number, since it uses less digits than its factorization.

39385386197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072915082.

The product of its digits is 29393280, while the sum is 62.

The spelling of 39385386197 in words is "thirty-nine billion, three hundred eighty-five million, three hundred eighty-six thousand, one hundred ninety-seven".