3645325427745 has 16 divisors (see below), whose sum is σ = 5832598685760. Its totient is φ = 1944147561024.

The previous prime is 3645325427743. The next prime is 3645325427801. The reversal of 3645325427745 is 5477245235463.

It is not a de Polignac number, because 3645325427745 - 2¹ = 3645325427743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3645325427743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438054 + ... + 2735423.

It is an arithmetic number, because the mean of its divisors is an integer number (364537417860).

Almost surely, 2^{3645325427745} is an apocalyptic number.

It is an amenable number.

3645325427745 is a deficient number, since it is larger than the sum of its proper divisors (2187273258015).

3645325427745 is a wasteful number, since it uses less digits than its factorization.

3645325427745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250064.

The product of its digits is 84672000, while the sum is 57.

The spelling of 3645325427745 in words is "three trillion, six hundred forty-five billion, three hundred twenty-five million, four hundred twenty-seven thousand, seven hundred forty-five".