3847381073 has 2 divisors, whose sum is σ = 3847381074. Its totient is φ = 3847381072.

The previous prime is 3847381067. The next prime is 3847381099. The reversal of 3847381073 is 3701837483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3836935249 + 10445824 = 61943^2 + 3232^2 .

It is a cyclic number.

It is not a de Polignac number, because 3847381073 - 2¹⁰ = 3847380049 is a prime.

It is a super-2 number, since 2×3847381073² = 29604682241757262658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3847381273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1923690536 + 1923690537.

It is an arithmetic number, because the mean of its divisors is an integer number (1923690537).

Almost surely, 2^3847381073 is an apocalyptic number.

It is an amenable number.

3847381073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3847381073 is an equidigital number, since it uses as much as digits as its factorization.

3847381073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 3847381073 is about 62027.2607246201. The cubic root of 3847381073 is about 1566.9497449900.

The spelling of 3847381073 in words is "three billion, eight hundred forty-seven million, three hundred eighty-one thousand, seventy-three".