39679389388 has 12 divisors (see below), whose sum is σ = 69448454712. Its totient is φ = 19836973760.

The previous prime is 39679389383. The next prime is 39679389397. The reversal of 39679389388 is 88398397693.

It is a self number, because there is not a number n which added to its sum of digits gives 39679389388.

It is not an unprimeable number, because it can be changed into a prime (39679389383) 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, 647245 + ... + 705892.

It is an arithmetic number, because the mean of its divisors is an integer number (5787371226).

Almost surely, 2^39679389388 is an apocalyptic number.

It is an amenable number.

39679389388 is a deficient number, since it is larger than the sum of its proper divisors (29769065324).

39679389388 is a wasteful number, since it uses less digits than its factorization.

39679389388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360472 (or 1360470 counting only the distinct ones).

The product of its digits is 423263232, while the sum is 73.

The spelling of 39679389388 in words is "thirty-nine billion, six hundred seventy-nine million, three hundred eighty-nine thousand, three hundred eighty-eight".