39425991712129 has 6 divisors (see below), whose sum is σ = 43336007419250. Its totient is φ = 35841810647280.

The previous prime is 39425991712061. The next prime is 39425991712157. The reversal of 39425991712129 is 92121719952493.

39425991712129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33243607838529 + 6182383873600 = 5765727^2 + 2486440^2 .

It is not a de Polignac number, because 39425991712129 - 2⁷ = 39425991712001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39425991712189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162917321004 + ... + 162917321245.

Almost surely, 2^{39425991712129} is an apocalyptic number.

It is an amenable number.

39425991712129 is a deficient number, since it is larger than the sum of its proper divisors (3910015707121).

39425991712129 is a wasteful number, since it uses less digits than its factorization.

39425991712129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325834642271 (or 325834642260 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 64.

The spelling of 39425991712129 in words is "thirty-nine trillion, four hundred twenty-five billion, nine hundred ninety-one million, seven hundred twelve thousand, one hundred twenty-nine".