3645508175243 has 16 divisors (see below), whose sum is σ = 4001037292800. Its totient is φ = 3294009778080.

The previous prime is 3645508175233. The next prime is 3645508175261. The reversal of 3645508175243 is 3425718055463.

It is a cyclic number.

It is not a de Polignac number, because 3645508175243 - 2²⁸ = 3645239739787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3645508175233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6503648 + ... + 7041906.

It is an arithmetic number, because the mean of its divisors is an integer number (250064830800).

Almost surely, 2^{3645508175243} is an apocalyptic number.

3645508175243 is a deficient number, since it is larger than the sum of its proper divisors (355529117557).

3645508175243 is a wasteful number, since it uses less digits than its factorization.

3645508175243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542002.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 3645508175243 in words is "three trillion, six hundred forty-five billion, five hundred eight million, one hundred seventy-five thousand, two hundred forty-three".