3643213051044 has 108 divisors (see below), whose sum is σ = 10961915908944. Its totient is φ = 1016710597728.

The previous prime is 3643213051031. The next prime is 3643213051067. The reversal of 3643213051044 is 4401503123463.

3643213051044 is a `hidden beast` number, since 3 + 6 + 4 + 3 + 2 + 130 + 510 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23939422 + ... + 24091125.

Almost surely, 2^{3643213051044} is an apocalyptic number.

It is an amenable number.

3643213051044 is an abundant number, since it is smaller than the sum of its proper divisors (7318702857900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3643213051044 is a wasteful number, since it uses less digits than its factorization.

3643213051044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48030614 (or 48030602 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 3643213051044 in words is "three trillion, six hundred forty-three billion, two hundred thirteen million, fifty-one thousand, forty-four".