3621850144245 has 64 divisors (see below), whose sum is σ = 6827219136000. Its totient is φ = 1815461710848.

The previous prime is 3621850144229. The next prime is 3621850144247. The reversal of 3621850144245 is 5424410581263.

3621850144245 is a `hidden beast` number, since 3 + 6 + 218 + 5 + 0 + 1 + 4 + 424 + 5 = 666.

It is not a de Polignac number, because 3621850144245 - 2⁴ = 3621850144229 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 3621850144245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621850144247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 514216 + ... + 2740094.

It is an arithmetic number, because the mean of its divisors is an integer number (106675299000).

Almost surely, 2^{3621850144245} is an apocalyptic number.

It is an amenable number.

3621850144245 is a deficient number, since it is larger than the sum of its proper divisors (3205368991755).

3621850144245 is a wasteful number, since it uses less digits than its factorization.

3621850144245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226619 (or 2226613 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 3621850144245 in words is "three trillion, six hundred twenty-one billion, eight hundred fifty million, one hundred forty-four thousand, two hundred forty-five".