39142083989 has 4 divisors (see below), whose sum is σ = 40052365056. Its totient is φ = 38231802924.

The previous prime is 39142083979. The next prime is 39142084013. The reversal of 39142083989 is 98938024193.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39142083989 - 2⁸ = 39142083733 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 (39142083979) 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 3 ways as a sum of consecutive naturals, for example, 455140469 + ... + 455140554.

It is an arithmetic number, because the mean of its divisors is an integer number (10013091264).

Almost surely, 2^39142083989 is an apocalyptic number.

It is an amenable number.

39142083989 is a deficient number, since it is larger than the sum of its proper divisors (910281067).

39142083989 is an equidigital number, since it uses as much as digits as its factorization.

39142083989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910281066.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 39142083989 in words is "thirty-nine billion, one hundred forty-two million, eighty-three thousand, nine hundred eighty-nine".