3871300681 has 2 divisors, whose sum is σ = 3871300682. Its totient is φ = 3871300680.

The previous prime is 3871300663. The next prime is 3871300687. The reversal of 3871300681 is 1860031783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3843380025 + 27920656 = 61995^2 + 5284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3871300681 is a prime.

It is a super-2 number, since 2×3871300681² = 29973937925422127522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3871300681.

It is not a weakly prime, because it can be changed into another prime (3871300687) 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, 1935650340 + 1935650341.

It is an arithmetic number, because the mean of its divisors is an integer number (1935650341).

Almost surely, 2^3871300681 is an apocalyptic number.

It is an amenable number.

3871300681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3871300681 is an equidigital number, since it uses as much as digits as its factorization.

3871300681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 3871300681 is about 62219.7772496816. Note that the first 3 decimals coincide. The cubic root of 3871300681 is about 1570.1903404266.

The spelling of 3871300681 in words is "three billion, eight hundred seventy-one million, three hundred thousand, six hundred eighty-one".