3645905534064 has 30 divisors (see below), whose sum is σ = 10203471738096. Its totient is φ = 1215301844640.

The previous prime is 3645905533951. The next prime is 3645905534083. The reversal of 3645905534064 is 4604355095463.

3645905534064 is a `hidden beast` number, since 3 + 6 + 4 + 590 + 5 + 5 + 3 + 40 + 6 + 4 = 666.

3645905534064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3645905534064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12659394072 + ... + 12659394359.

Almost surely, 2^{3645905534064} is an apocalyptic number.

It is an amenable number.

3645905534064 is an abundant number, since it is smaller than the sum of its proper divisors (6557566204032).

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

3645905534064 is a wasteful number, since it uses less digits than its factorization.

3645905534064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25318788445 (or 25318788436 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 3645905534064 in words is "three trillion, six hundred forty-five billion, nine hundred five million, five hundred thirty-four thousand, sixty-four".