3963434573838 has 32 divisors (see below), whose sum is σ = 8114772137472. Its totient is φ = 1289854641600.

The previous prime is 3963434573837. The next prime is 3963434573849. The reversal of 3963434573838 is 8383754343693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963434573837) 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 15 ways as a sum of consecutive naturals, for example, 2778918 + ... + 3955913.

It is an arithmetic number, because the mean of its divisors is an integer number (253586629296).

Almost surely, 2^{3963434573838} is an apocalyptic number.

3963434573838 is an abundant number, since it is smaller than the sum of its proper divisors (4151337563634).

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

3963434573838 is a wasteful number, since it uses less digits than its factorization.

3963434573838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6737160.

The product of its digits is 470292480, while the sum is 66.

The spelling of 3963434573838 in words is "three trillion, nine hundred sixty-three billion, four hundred thirty-four million, five hundred seventy-three thousand, eight hundred thirty-eight".