39942000393 has 32 divisors (see below), whose sum is σ = 56429452800. Its totient is φ = 25060098816.

The previous prime is 39942000391. The next prime is 39942000401. The reversal of 39942000393 is 39300024993.

It is not a de Polignac number, because 39942000393 - 2¹ = 39942000391 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (39942000391) 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 31 ways as a sum of consecutive naturals, for example, 18129630 + ... + 18131832.

It is an arithmetic number, because the mean of its divisors is an integer number (1763420400).

Almost surely, 2^39942000393 is an apocalyptic number.

It is an amenable number.

39942000393 is a deficient number, since it is larger than the sum of its proper divisors (16487452407).

39942000393 is a wasteful number, since it uses less digits than its factorization.

39942000393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181.

The product of its (nonzero) digits is 157464, while the sum is 42.

The spelling of 39942000393 in words is "thirty-nine billion, nine hundred forty-two million, three hundred ninety-three", and thus it is an aban number.