3645325427647 has 8 divisors (see below), whose sum is σ = 3696842972160. Its totient is φ = 3593812742520.

The previous prime is 3645325427599. The next prime is 3645325427651. The reversal of 3645325427647 is 7467245235463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645325427647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3645325427591 and 3645325427600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645325427047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309498 + ... + 2717800.

It is an arithmetic number, because the mean of its divisors is an integer number (462105371520).

Almost surely, 2^{3645325427647} is an apocalyptic number.

3645325427647 is a deficient number, since it is larger than the sum of its proper divisors (51517544513).

3645325427647 is a wasteful number, since it uses less digits than its factorization.

3645325427647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429693.

The product of its digits is 101606400, while the sum is 58.

The spelling of 3645325427647 in words is "three trillion, six hundred forty-five billion, three hundred twenty-five million, four hundred twenty-seven thousand, six hundred forty-seven".