3963688612 has 24 divisors (see below), whose sum is σ = 7652228472. Its totient is φ = 1784774400.

The previous prime is 3963688609. The next prime is 3963688621. The reversal of 3963688612 is 2168863693.

It can be written as a sum of positive squares in 4 ways, for example, as 543076416 + 3420612196 = 23304^2 + 58486^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 3963688612.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927439 + ... + 931702.

It is an arithmetic number, because the mean of its divisors is an integer number (318842853).

Almost surely, 2^3963688612 is an apocalyptic number.

It is an amenable number.

3963688612 is a deficient number, since it is larger than the sum of its proper divisors (3688539860).

3963688612 is a wasteful number, since it uses less digits than its factorization.

3963688612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859199 (or 1859197 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 3963688612 is about 62957.8320147700. The cubic root of 3963688612 is about 1582.5830487659.

The spelling of 3963688612 in words is "three billion, nine hundred sixty-three million, six hundred eighty-eight thousand, six hundred twelve".