39395049394 has 8 divisors (see below), whose sum is σ = 59677649388. Its totient is φ = 19502499600.

The previous prime is 39395049361. The next prime is 39395049401. The reversal of 39395049394 is 49394059393.

It can be written as a sum of positive squares in 2 ways, for example, as 29034456025 + 10360593369 = 170395^2 + 101787^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97512297 + ... + 97512700.

Almost surely, 2^39395049394 is an apocalyptic number.

39395049394 is a deficient number, since it is larger than the sum of its proper divisors (20282599994).

39395049394 is a wasteful number, since it uses less digits than its factorization.

39395049394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195025100.

The product of its (nonzero) digits is 14171760, while the sum is 58.

Subtracting 39395049394 from its reverse (49394059393), we obtain a palindrome (9999009999).

It can be divided in two parts, 393950 and 49394, that added together give a palindrome (443344).

The spelling of 39395049394 in words is "thirty-nine billion, three hundred ninety-five million, forty-nine thousand, three hundred ninety-four".