3963039043939 has 8 divisors (see below), whose sum is σ = 3975207067728. Its totient is φ = 3950889613440.

The previous prime is 3963039043921. The next prime is 3963039043961. The reversal of 3963039043939 is 9393409303693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3963039043939 - 2¹¹ = 3963039041891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3963039043039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4221322 + ... + 5074015.

It is an arithmetic number, because the mean of its divisors is an integer number (496900883466).

Almost surely, 2^{3963039043939} is an apocalyptic number.

3963039043939 is a deficient number, since it is larger than the sum of its proper divisors (12168023789).

3963039043939 is an equidigital number, since it uses as much as digits as its factorization.

3963039043939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296645.

The product of its (nonzero) digits is 38263752, while the sum is 61.

The spelling of 3963039043939 in words is "three trillion, nine hundred sixty-three billion, thirty-nine million, forty-three thousand, nine hundred thirty-nine".