3973946999983 has 2 divisors, whose sum is σ = 3973946999984. Its totient is φ = 3973946999982.

The previous prime is 3973946999909. The next prime is 3973946999987. The reversal of 3973946999983 is 3899996493793.

3973946999983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3973946999983 - 2²⁹ = 3973410129071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3973946999894 and 3973946999903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3973946999987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1986973499991 + 1986973499992.

It is an arithmetic number, because the mean of its divisors is an integer number (1986973499992).

Almost surely, 2^{3973946999983} is an apocalyptic number.

3973946999983 is a deficient number, since it is larger than the sum of its proper divisors (1).

3973946999983 is an equidigital number, since it uses as much as digits as its factorization.

3973946999983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19284931008, while the sum is 88.

The spelling of 3973946999983 in words is "three trillion, nine hundred seventy-three billion, nine hundred forty-six million, nine hundred ninety-nine thousand, nine hundred eighty-three".