39108031843668 has 12 divisors (see below), whose sum is σ = 91252074301920. Its totient is φ = 13036010614552.

The previous prime is 39108031843663. The next prime is 39108031843669. The reversal of 39108031843668 is 86634813080193.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39108031843663) 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, 1629501326808 + ... + 1629501326831.

It is an arithmetic number, because the mean of its divisors is an integer number (7604339525160).

Almost surely, 2^{39108031843668} is an apocalyptic number.

It is an amenable number.

39108031843668 is an abundant number, since it is smaller than the sum of its proper divisors (52144042458252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39108031843668 is a wasteful number, since it uses less digits than its factorization.

39108031843668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3259002653646 (or 3259002653644 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 60.

The spelling of 39108031843668 in words is "thirty-nine trillion, one hundred eight billion, thirty-one million, eight hundred forty-three thousand, six hundred sixty-eight".