3973946999988 has 96 divisors (see below), whose sum is σ = 10983657404160. Its totient is φ = 1094156743680.

The previous prime is 3973946999987. The next prime is 3973947000007. The reversal of 3973946999988 is 8899996493793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973946999983) 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 31 ways as a sum of consecutive naturals, for example, 296431 + ... + 2834742.

It is an arithmetic number, because the mean of its divisors is an integer number (114413097960).

Almost surely, 2^{3973946999988} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3973946999988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5491828702080).

3973946999988 is an abundant number, since it is smaller than the sum of its proper divisors (7009710404172).

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

3973946999988 is a wasteful number, since it uses less digits than its factorization.

3973946999988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131737 (or 3131735 counting only the distinct ones).

The product of its digits is 51426482688, while the sum is 93.

The spelling of 3973946999988 in words is "three trillion, nine hundred seventy-three billion, nine hundred forty-six million, nine hundred ninety-nine thousand, nine hundred eighty-eight".