3886722139 has 2 divisors, whose sum is σ = 3886722140. Its totient is φ = 3886722138.

The previous prime is 3886722131. The next prime is 3886722211. The reversal of 3886722139 is 9312276883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3886722139 - 2³ = 3886722131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3886722092 and 3886722101.

It is not a weakly prime, because it can be changed into another prime (3886722131) 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, 1943361069 + 1943361070.

It is an arithmetic number, because the mean of its divisors is an integer number (1943361070).

Almost surely, 2^3886722139 is an apocalyptic number.

3886722139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3886722139 is an equidigital number, since it uses as much as digits as its factorization.

3886722139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 3886722139 is about 62343.5813777168. The cubic root of 3886722139 is about 1572.2725469069.

The spelling of 3886722139 in words is "three billion, eight hundred eighty-six million, seven hundred twenty-two thousand, one hundred thirty-nine".