3813803220743 has 4 divisors (see below), whose sum is σ = 3815114259480. Its totient is φ = 3812492182008.

The previous prime is 3813803220739. The next prime is 3813803220749. The reversal of 3813803220743 is 3470223083183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3813803220743 - 2² = 3813803220739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3813803220694 and 3813803220703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3813803220749) 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, 655515005 + ... + 655520822.

It is an arithmetic number, because the mean of its divisors is an integer number (953778564870).

Almost surely, 2^{3813803220743} is an apocalyptic number.

3813803220743 is a deficient number, since it is larger than the sum of its proper divisors (1311038737).

3813803220743 is a wasteful number, since it uses less digits than its factorization.

3813803220743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311038736.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 3813803220743 in words is "three trillion, eight hundred thirteen billion, eight hundred three million, two hundred twenty thousand, seven hundred forty-three".