3644073346045 has 24 divisors (see below), whose sum is σ = 4806688828032. Its totient is φ = 2650165705440.

The previous prime is 3644073346031. The next prime is 3644073346091. The reversal of 3644073346045 is 5406433704463.

It is not a de Polignac number, because 3644073346045 - 2⁹ = 3644073345533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3644073346045.

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 23 ways as a sum of consecutive naturals, for example, 39016392 + ... + 39109678.

It is an arithmetic number, because the mean of its divisors is an integer number (200278701168).

Almost surely, 2^{3644073346045} is an apocalyptic number.

It is an amenable number.

3644073346045 is a deficient number, since it is larger than the sum of its proper divisors (1162615481987).

3644073346045 is a wasteful number, since it uses less digits than its factorization.

3644073346045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157881 (or 157870 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 49.

The spelling of 3644073346045 in words is "three trillion, six hundred forty-four billion, seventy-three million, three hundred forty-six thousand, forty-five".