3653639985468 has 48 divisors (see below), whose sum is σ = 9357230848896. Its totient is φ = 1100371210560.

The previous prime is 3653639985409. The next prime is 3653639985559. The reversal of 3653639985468 is 8645899363563.

It is a self number, because there is not a number n which added to its sum of digits gives 3653639985468.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84883671 + ... + 84926702.

It is an arithmetic number, because the mean of its divisors is an integer number (194942309352).

Almost surely, 2^{3653639985468} is an apocalyptic number.

It is an amenable number.

3653639985468 is an abundant number, since it is smaller than the sum of its proper divisors (5703590863428).

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

3653639985468 is a wasteful number, since it uses less digits than its factorization.

3653639985468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169810554 (or 169810552 counting only the distinct ones).

The product of its digits is 3023308800, while the sum is 75.

It can be divided in two parts, 36536 and 39985468, that added together give a palindrome (40022004).

The spelling of 3653639985468 in words is "three trillion, six hundred fifty-three billion, six hundred thirty-nine million, nine hundred eighty-five thousand, four hundred sixty-eight".