39393048394 has 16 divisors (see below), whose sum is σ = 67600798848. Its totient is φ = 16865270352.

The previous prime is 39393048389. The next prime is 39393048421. The reversal of 39393048394 is 49384039393.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441369 + ... + 1468444.

It is an arithmetic number, because the mean of its divisors is an integer number (4225049928).

Almost surely, 2^39393048394 is an apocalyptic number.

39393048394 is a deficient number, since it is larger than the sum of its proper divisors (28207750454).

39393048394 is a wasteful number, since it uses less digits than its factorization.

39393048394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910789.

The product of its (nonzero) digits is 7558272, while the sum is 55.

Subtracting 39393048394 from its reverse (49384039393), we obtain a palindrome (9990990999).

The spelling of 39393048394 in words is "thirty-nine billion, three hundred ninety-three million, forty-eight thousand, three hundred ninety-four".