3659364639564 has 12 divisors (see below), whose sum is σ = 8538517492344. Its totient is φ = 1219788213184.

The previous prime is 3659364639563. The next prime is 3659364639611. The reversal of 3659364639564 is 4659364639563.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3659364639564² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3659364639563) 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, 152473526637 + ... + 152473526660.

It is an arithmetic number, because the mean of its divisors is an integer number (711543124362).

Almost surely, 2^{3659364639564} is an apocalyptic number.

It is an amenable number.

3659364639564 is an abundant number, since it is smaller than the sum of its proper divisors (4879152852780).

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

3659364639564 is a wasteful number, since it uses less digits than its factorization.

3659364639564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304947053304 (or 304947053302 counting only the distinct ones).

The product of its digits is 1133740800, while the sum is 69.

Subtracting 3659364639564 from its reverse (4659364639563), we obtain a palindrome (999999999999).

The spelling of 3659364639564 in words is "three trillion, six hundred fifty-nine billion, three hundred sixty-four million, six hundred thirty-nine thousand, five hundred sixty-four".