3685738442064 has 40 divisors (see below), whose sum is σ = 10881703972800. Its totient is φ = 1053068126208.

The previous prime is 3685738442003. The next prime is 3685738442081. The reversal of 3685738442064 is 4602448375863.

It is a junction number, because it is equal to n+sod(n) for n = 3685738441989 and 3685738442007.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5484729489 + ... + 5484730160.

It is an arithmetic number, because the mean of its divisors is an integer number (272042599320).

Almost surely, 2^{3685738442064} is an apocalyptic number.

It is an amenable number.

3685738442064 is an abundant number, since it is smaller than the sum of its proper divisors (7195965530736).

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

3685738442064 is a wasteful number, since it uses less digits than its factorization.

3685738442064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10969459667 (or 10969459661 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 60.

The spelling of 3685738442064 in words is "three trillion, six hundred eighty-five billion, seven hundred thirty-eight million, four hundred forty-two thousand, sixty-four".