3851138471 has 2 divisors, whose sum is σ = 3851138472. Its totient is φ = 3851138470.

The previous prime is 3851138449. The next prime is 3851138563. The reversal of 3851138471 is 1748311583.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3851138471 - 2³⁰ = 2777396647 is a prime.

It is a super-3 number, since 3×3851138471³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3851138441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925569235 + 1925569236.

It is an arithmetic number, because the mean of its divisors is an integer number (1925569236).

Almost surely, 2^3851138471 is an apocalyptic number.

3851138471 is a deficient number, since it is larger than the sum of its proper divisors (1).

3851138471 is an equidigital number, since it uses as much as digits as its factorization.

3851138471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 3851138471 is about 62057.5416126034. The cubic root of 3851138471 is about 1567.4596795936.

The spelling of 3851138471 in words is "three billion, eight hundred fifty-one million, one hundred thirty-eight thousand, four hundred seventy-one".