3654009636 has 12 divisors (see below), whose sum is σ = 8526022512. Its totient is φ = 1218003208.

The previous prime is 3654009607. The next prime is 3654009637. The reversal of 3654009636 is 6369004563.

3654009636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3654009637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152250390 + ... + 152250413.

It is an arithmetic number, because the mean of its divisors is an integer number (710501876).

Almost surely, 2^3654009636 is an apocalyptic number.

It is an amenable number.

3654009636 is an abundant number, since it is smaller than the sum of its proper divisors (4872012876).

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

3654009636 is a wasteful number, since it uses less digits than its factorization.

3654009636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304500810 (or 304500808 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 42.

The square root of 3654009636 is about 60448.4047432188. The cubic root of 3654009636 is about 1540.2453137065.

The spelling of 3654009636 in words is "three billion, six hundred fifty-four million, nine thousand, six hundred thirty-six".