39789387521242 has 8 divisors (see below), whose sum is σ = 59684268801600. Its totient is φ = 19894631254044.

The previous prime is 39789387521123. The next prime is 39789387521243. The reversal of 39789387521242 is 24212578398793.

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

It is not an unprimeable number, because it can be changed into a prime (39789387521243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30453492 + ... + 31733167.

It is an arithmetic number, because the mean of its divisors is an integer number (7460533600200).

Almost surely, 2^{39789387521242} is an apocalyptic number.

39789387521242 is a deficient number, since it is larger than the sum of its proper divisors (19894881280358).

39789387521242 is a wasteful number, since it uses less digits than its factorization.

39789387521242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62506580.

The product of its digits is 365783040, while the sum is 70.

The spelling of 39789387521242 in words is "thirty-nine trillion, seven hundred eighty-nine billion, three hundred eighty-seven million, five hundred twenty-one thousand, two hundred forty-two".