3813823347 has 4 divisors (see below), whose sum is σ = 5085097800. Its totient is φ = 2542548896.

The previous prime is 3813823339. The next prime is 3813823369. The reversal of 3813823347 is 7433283183.

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 3813823347 - 2³ = 3813823339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3813823299 and 3813823308.

It is not an unprimeable number, because it can be changed into a prime (3813823397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635637222 + ... + 635637227.

It is an arithmetic number, because the mean of its divisors is an integer number (1271274450).

Almost surely, 2^3813823347 is an apocalyptic number.

3813823347 is a deficient number, since it is larger than the sum of its proper divisors (1271274453).

3813823347 is a wasteful number, since it uses less digits than its factorization.

3813823347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271274452.

The product of its digits is 290304, while the sum is 42.

The square root of 3813823347 is about 61756.1603971620. The cubic root of 3813823347 is about 1562.3806718642.

The spelling of 3813823347 in words is "three billion, eight hundred thirteen million, eight hundred twenty-three thousand, three hundred forty-seven".