3641544630572 has 12 divisors (see below), whose sum is σ = 6374429681256. Its totient is φ = 1820279007360.

The previous prime is 3641544630571. The next prime is 3641544630601. The reversal of 3641544630572 is 2750364451463.

It is a self number, because there is not a number n which added to its sum of digits gives 3641544630572.

It is not an unprimeable number, because it can be changed into a prime (3641544630571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123310373 + ... + 123339900.

It is an arithmetic number, because the mean of its divisors is an integer number (531202473438).

Almost surely, 2^{3641544630572} is an apocalyptic number.

It is an amenable number.

3641544630572 is a deficient number, since it is larger than the sum of its proper divisors (2732885050684).

3641544630572 is a wasteful number, since it uses less digits than its factorization.

3641544630572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246653968 (or 246653966 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 50.

The spelling of 3641544630572 in words is "three trillion, six hundred forty-one billion, five hundred forty-four million, six hundred thirty thousand, five hundred seventy-two".