39249423942 has 8 divisors (see below), whose sum is σ = 78498847896. Its totient is φ = 13083141312.

The previous prime is 39249423937. The next prime is 39249423971. The reversal of 39249423942 is 24932494293.

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

39249423942 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 3270785323 + ... + 3270785334.

It is an arithmetic number, because the mean of its divisors is an integer number (9812355987).

Almost surely, 2^39249423942 is an apocalyptic number.

39249423942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39249423942 is a wasteful number, since it uses less digits than its factorization.

39249423942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541570662.

The product of its digits is 3359232, while the sum is 51.

The spelling of 39249423942 in words is "thirty-nine billion, two hundred forty-nine million, four hundred twenty-three thousand, nine hundred forty-two".