39465943268 has 12 divisors (see below), whose sum is σ = 69263298300. Its totient is φ = 19676429472.

The previous prime is 39465943261. The next prime is 39465943301. The reversal of 39465943268 is 86234956493.

It can be written as a sum of positive squares in 2 ways, for example, as 33700882084 + 5765061184 = 183578^2 + 75928^2 .

It is not an unprimeable number, because it can be changed into a prime (39465943261) 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, 14133971 + ... + 14136762.

It is an arithmetic number, because the mean of its divisors is an integer number (5771941525).

Almost surely, 2^39465943268 is an apocalyptic number.

It is an amenable number.

39465943268 is a deficient number, since it is larger than the sum of its proper divisors (29797355032).

39465943268 is a wasteful number, since it uses less digits than its factorization.

39465943268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28271086 (or 28271084 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 59.

The spelling of 39465943268 in words is "thirty-nine billion, four hundred sixty-five million, nine hundred forty-three thousand, two hundred sixty-eight".