39678759039945 has 16 divisors (see below), whose sum is σ = 63497542835520. Its totient is φ = 21158162030784.

The previous prime is 39678759039923. The next prime is 39678759040099. The reversal of 39678759039945 is 54993095787693.

39678759039945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39678759039945 - 2⁹ = 39678759039433 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 240089050 + ... + 240254259.

It is an arithmetic number, because the mean of its divisors is an integer number (3968596427220).

Almost surely, 2^{39678759039945} is an apocalyptic number.

It is an amenable number.

39678759039945 is a deficient number, since it is larger than the sum of its proper divisors (23818783795575).

39678759039945 is a wasteful number, since it uses less digits than its factorization.

39678759039945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480348824.

The product of its (nonzero) digits is 13888324800, while the sum is 84.

The spelling of 39678759039945 in words is "thirty-nine trillion, six hundred seventy-eight billion, seven hundred fifty-nine million, thirty-nine thousand, nine hundred forty-five".