3654644200245 has 48 divisors (see below), whose sum is σ = 6548527225344. Its totient is φ = 1883537712000.

The previous prime is 3654644200223. The next prime is 3654644200267. The reversal of 3654644200245 is 5420024464563.

It is a happy number.

3654644200245 is a `hidden beast` number, since 3 + 6 + 546 + 44 + 20 + 0 + 2 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (3654644200223) and next prime (3654644200267).

It is not a de Polignac number, because 3654644200245 - 2¹¹ = 3654644198197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 3654644200245.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 931726 + ... + 2859615.

It is an arithmetic number, because the mean of its divisors is an integer number (136427650528).

Almost surely, 2^{3654644200245} is an apocalyptic number.

It is an amenable number.

3654644200245 is a deficient number, since it is larger than the sum of its proper divisors (2893883025099).

3654644200245 is a wasteful number, since it uses less digits than its factorization.

3654644200245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792074 (or 3792071 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 45.

The spelling of 3654644200245 in words is "three trillion, six hundred fifty-four billion, six hundred forty-four million, two hundred thousand, two hundred forty-five".