3813393266 has 16 divisors (see below), whose sum is σ = 5906646528. Its totient is φ = 1844553600.

The previous prime is 3813393263. The next prime is 3813393277. The reversal of 3813393266 is 6623933183.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3813393263) 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 7 ways as a sum of consecutive naturals, for example, 205826 + ... + 223586.

It is an arithmetic number, because the mean of its divisors is an integer number (369165408).

Almost surely, 2^3813393266 is an apocalyptic number.

3813393266 is a deficient number, since it is larger than the sum of its proper divisors (2093253262).

3813393266 is a wasteful number, since it uses less digits than its factorization.

3813393266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21257.

The product of its digits is 419904, while the sum is 44.

The square root of 3813393266 is about 61752.6782091271. The cubic root of 3813393266 is about 1562.3219402939.

The spelling of 3813393266 in words is "three billion, eight hundred thirteen million, three hundred ninety-three thousand, two hundred sixty-six".