3845563655484 has 24 divisors (see below), whose sum is σ = 8974091645568. Its totient is φ = 1281696011440.

The previous prime is 3845563655471. The next prime is 3845563655491. The reversal of 3845563655484 is 4845563655483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19716462 + ... + 19910549.

It is an arithmetic number, because the mean of its divisors is an integer number (373920485232).

Almost surely, 2^{3845563655484} is an apocalyptic number.

It is an amenable number.

3845563655484 is an abundant number, since it is smaller than the sum of its proper divisors (5128527990084).

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

3845563655484 is a wasteful number, since it uses less digits than its factorization.

3845563655484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39635105 (or 39635103 counting only the distinct ones).

The product of its digits is 829440000, while the sum is 66.

Subtracting 3845563655484 from its reverse (4845563655483), we obtain a palindrome (999999999999).

The spelling of 3845563655484 in words is "three trillion, eight hundred forty-five billion, five hundred sixty-three million, six hundred fifty-five thousand, four hundred eighty-four".