3842273839 has 2 divisors, whose sum is σ = 3842273840. Its totient is φ = 3842273838.

The previous prime is 3842273821. The next prime is 3842273873. The reversal of 3842273839 is 9383722483.

It is a weak prime.

It is an emirp because it is prime and its reverse (9383722483) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3842273839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3842273792 and 3842273801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3842273899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921136919 + 1921136920.

It is an arithmetic number, because the mean of its divisors is an integer number (1921136920).

Almost surely, 2^3842273839 is an apocalyptic number.

3842273839 is a deficient number, since it is larger than the sum of its proper divisors (1).

3842273839 is an equidigital number, since it uses as much as digits as its factorization.

3842273839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 49.

The square root of 3842273839 is about 61986.0777836443. The cubic root of 3842273839 is about 1566.2560850179.

The spelling of 3842273839 in words is "three billion, eight hundred forty-two million, two hundred seventy-three thousand, eight hundred thirty-nine".