3643571020364 has 24 divisors (see below), whose sum is σ = 7180292453376. Its totient is φ = 1602743850000.

The previous prime is 3643571020363. The next prime is 3643571020379. The reversal of 3643571020364 is 4630201753463.

It is a super-3 number, since 3×3643571020364³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (3643571020363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1335618512 + ... + 1335621239.

It is an arithmetic number, because the mean of its divisors is an integer number (299178852224).

Almost surely, 2^{3643571020364} is an apocalyptic number.

It is an amenable number.

3643571020364 is a deficient number, since it is larger than the sum of its proper divisors (3536721433012).

3643571020364 is a wasteful number, since it uses less digits than its factorization.

3643571020364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671239797 (or 2671239795 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 3643571020364 in words is "three trillion, six hundred forty-three billion, five hundred seventy-one million, twenty thousand, three hundred sixty-four".