39942886093 has 16 divisors (see below), whose sum is σ = 44237827584. Its totient is φ = 35758902960.

The previous prime is 39942886091. The next prime is 39942886121. The reversal of 39942886093 is 39068824993.

It is not a de Polignac number, because 39942886093 - 2¹ = 39942886091 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39942886091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3359946 + ... + 3371812.

It is an arithmetic number, because the mean of its divisors is an integer number (2764864224).

Almost surely, 2^39942886093 is an apocalyptic number.

It is an amenable number.

39942886093 is a deficient number, since it is larger than the sum of its proper divisors (4294941491).

39942886093 is a wasteful number, since it uses less digits than its factorization.

39942886093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16512.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 39942886093 in words is "thirty-nine billion, nine hundred forty-two million, eight hundred eighty-six thousand, ninety-three".