3644756020606 has 8 divisors (see below), whose sum is σ = 5467148432424. Its totient is φ = 1822373209800.

The previous prime is 3644756020547. The next prime is 3644756020673. The reversal of 3644756020606 is 6060206574463.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3644756020606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361245 + ... + 3023656.

It is an arithmetic number, because the mean of its divisors is an integer number (683393554053).

Almost surely, 2^{3644756020606} is an apocalyptic number.

3644756020606 is a deficient number, since it is larger than the sum of its proper divisors (1822392411818).

3644756020606 is a wasteful number, since it uses less digits than its factorization.

3644756020606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4800506.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 3644756020606 in words is "three trillion, six hundred forty-four billion, seven hundred fifty-six million, twenty thousand, six hundred six".