3973874783793 has 4 divisors (see below), whose sum is σ = 5298499711728. Its totient is φ = 2649249855860.

The previous prime is 3973874783717. The next prime is 3973874783807.

3973874783793 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3973874783793 - 2²⁰ = 3973873735217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3973874783393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662312463963 + ... + 662312463968.

It is an arithmetic number, because the mean of its divisors is an integer number (1324624927932).

Almost surely, 2^{3973874783793} is an apocalyptic number.

It is an amenable number.

3973874783793 is a deficient number, since it is larger than the sum of its proper divisors (1324624927935).

3973874783793 is a wasteful number, since it uses less digits than its factorization.

3973874783793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324624927934.

The product of its digits is 4032758016, while the sum is 78.

The spelling of 3973874783793 in words is "three trillion, nine hundred seventy-three billion, eight hundred seventy-four million, seven hundred eighty-three thousand, seven hundred ninety-three".