38964925646 has 8 divisors (see below), whose sum is σ = 60988579344. Its totient is φ = 18635399200.

The previous prime is 38964925631. The next prime is 38964925691. The reversal of 38964925646 is 64652946983.

It is a happy number.

38964925646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423531755 + ... + 423531846.

It is an arithmetic number, because the mean of its divisors is an integer number (7623572418).

Almost surely, 2^38964925646 is an apocalyptic number.

38964925646 is a deficient number, since it is larger than the sum of its proper divisors (22023653698).

38964925646 is a wasteful number, since it uses less digits than its factorization.

38964925646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847063626.

The product of its digits is 67184640, while the sum is 62.

The spelling of 38964925646 in words is "thirty-eight billion, nine hundred sixty-four million, nine hundred twenty-five thousand, six hundred forty-six".