39319393442 has 16 divisors (see below), whose sum is σ = 68001178752. Its totient is φ = 16702042560.

The previous prime is 39319393429. The next prime is 39319393447. The reversal of 39319393442 is 24439391393.

It is not an unprimeable number, because it can be changed into a prime (39319393447) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12425534 + ... + 12428697.

It is an arithmetic number, because the mean of its divisors is an integer number (4250073672).

Almost surely, 2^39319393442 is an apocalyptic number.

39319393442 is a deficient number, since it is larger than the sum of its proper divisors (28681785310).

39319393442 is a wasteful number, since it uses less digits than its factorization.

39319393442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24854353.

The product of its digits is 1889568, while the sum is 50.

The spelling of 39319393442 in words is "thirty-nine billion, three hundred nineteen million, three hundred ninety-three thousand, four hundred forty-two".