3993534942436 has 48 divisors (see below), whose sum is σ = 7555280286400. Its totient is φ = 1836071390592.

The previous prime is 3993534942413. The next prime is 3993534942497. The reversal of 3993534942436 is 6342494353993.

It is a happy number.

3993534942436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3993534942436² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47917810 + ... + 48001078.

Almost surely, 2^{3993534942436} is an apocalyptic number.

It is an amenable number.

3993534942436 is a deficient number, since it is larger than the sum of its proper divisors (3561745343964).

3993534942436 is a wasteful number, since it uses less digits than its factorization.

3993534942436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86828 (or 86826 counting only the distinct ones).

The product of its digits is 226748160, while the sum is 64.

The spelling of 3993534942436 in words is "three trillion, nine hundred ninety-three billion, five hundred thirty-four million, nine hundred forty-two thousand, four hundred thirty-six".