3816239994036 has 18 divisors (see below), whose sum is σ = 9646606651682. Its totient is φ = 1272079998000.

The previous prime is 3816239994031. The next prime is 3816239994053. The reversal of 3816239994036 is 6304999326183.

3816239994036 is a `hidden beast` number, since 3 + 81 + 62 + 3 + 9 + 99 + 403 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2330171720100 + 1486068273936 = 1526490^2 + 1219044^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816239994031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53003333215 + ... + 53003333286.

Almost surely, 2^{3816239994036} is an apocalyptic number.

3816239994036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3816239994036 is an abundant number, since it is smaller than the sum of its proper divisors (5830366657646).

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

3816239994036 is a wasteful number, since it uses less digits than its factorization.

3816239994036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106006666511 (or 106006666506 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 3816239994036 in words is "three trillion, eight hundred sixteen billion, two hundred thirty-nine million, nine hundred ninety-four thousand, thirty-six".