3965618200996 has 27 divisors (see below), whose sum is σ = 7254850029483. Its totient is φ = 1896556198680.

The previous prime is 3965618200993. The next prime is 3965618201021. The reversal of 3965618200996 is 6990028165693.

The square root of 3965618200996 is 1991386.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×3965618200996² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3965618200993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 91582111 + ... + 91625401.

Almost surely, 2^{3965618200996} is an apocalyptic number.

3965618200996 is the 1991386-th square number.

It is an amenable number.

3965618200996 is a deficient number, since it is larger than the sum of its proper divisors (3289231828487).

3965618200996 is an frugal number, since it uses more digits than its factorization.

3965618200996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86632 (or 43316 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 64.

Multiplying 3965618200996 by its sum of digits (64), we get a square (253799564863744 = 15931088²).

It can be divided in two parts, 3965618 and 200996, that added together give a palindrome (4166614).

The spelling of 3965618200996 in words is "three trillion, nine hundred sixty-five billion, six hundred eighteen million, two hundred thousand, nine hundred ninety-six".