3645271074745 has 16 divisors (see below), whose sum is σ = 4627926325440. Its totient is φ = 2748707728704.

The previous prime is 3645271074727. The next prime is 3645271074761. The reversal of 3645271074745 is 5474701725463.

It is a cyclic number.

It is not a de Polignac number, because 3645271074745 - 2¹³ = 3645271066553 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97370307 + ... + 97407736.

It is an arithmetic number, because the mean of its divisors is an integer number (289245395340).

Almost surely, 2^{3645271074745} is an apocalyptic number.

It is an amenable number.

3645271074745 is a deficient number, since it is larger than the sum of its proper divisors (982655250695).

3645271074745 is a wasteful number, since it uses less digits than its factorization.

3645271074745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194778264.

The product of its (nonzero) digits is 19756800, while the sum is 55.

The spelling of 3645271074745 in words is "three trillion, six hundred forty-five billion, two hundred seventy-one million, seventy-four thousand, seven hundred forty-five".