3882180521 has 2 divisors, whose sum is σ = 3882180522. Its totient is φ = 3882180520.

The previous prime is 3882180451. The next prime is 3882180539. The reversal of 3882180521 is 1250812883.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2726928400 + 1155252121 = 52220^2 + 33989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3882180521 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3882180541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1941090260 + 1941090261.

It is an arithmetic number, because the mean of its divisors is an integer number (1941090261).

Almost surely, 2^3882180521 is an apocalyptic number.

It is an amenable number.

3882180521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3882180521 is an equidigital number, since it uses as much as digits as its factorization.

3882180521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 3882180521 is about 62307.1466286172. The cubic root of 3882180521 is about 1571.6599103348.

The spelling of 3882180521 in words is "three billion, eight hundred eighty-two million, one hundred eighty thousand, five hundred twenty-one".