3689853428664 has 96 divisors (see below), whose sum is σ = 10868627952000. Its totient is φ = 1124098502400.

The previous prime is 3689853428663. The next prime is 3689853428669. The reversal of 3689853428664 is 4668243589863.

3689853428664 is a `hidden beast` number, since 3 + 6 + 8 + 9 + 8 + 534 + 2 + 86 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 3689853428592 and 3689853428601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689853428663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19421064 + ... + 19610135.

It is an arithmetic number, because the mean of its divisors is an integer number (113214874500).

Almost surely, 2^{3689853428664} is an apocalyptic number.

It is an amenable number.

3689853428664 is an abundant number, since it is smaller than the sum of its proper divisors (7178774523336).

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

3689853428664 is a wasteful number, since it uses less digits than its factorization.

3689853428664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39031325 (or 39031318 counting only the distinct ones).

The product of its digits is 1433272320, while the sum is 72.

The spelling of 3689853428664 in words is "three trillion, six hundred eighty-nine billion, eight hundred fifty-three million, four hundred twenty-eight thousand, six hundred sixty-four".