3882513721 has 2 divisors, whose sum is σ = 3882513722. Its totient is φ = 3882513720.

The previous prime is 3882513683. The next prime is 3882513769. The reversal of 3882513721 is 1273152883.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2506103721 + 1376410000 = 50061^2 + 37100^2 .

It is an emirp because it is prime and its reverse (1273152883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3882513721 - 2²³ = 3874125113 is a prime.

It is not a weakly prime, because it can be changed into another prime (3882517721) 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, 1941256860 + 1941256861.

It is an arithmetic number, because the mean of its divisors is an integer number (1941256861).

Almost surely, 2^3882513721 is an apocalyptic number.

It is an amenable number.

3882513721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3882513721 is an equidigital number, since it uses as much as digits as its factorization.

3882513721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 3882513721 is about 62309.8204218244. The cubic root of 3882513721 is about 1571.7048732191.

The spelling of 3882513721 in words is "three billion, eight hundred eighty-two million, five hundred thirteen thousand, seven hundred twenty-one".