1912341839 has 2 divisors, whose sum is σ = 1912341840. Its totient is φ = 1912341838.

The previous prime is 1912341833. The next prime is 1912341863. The reversal of 1912341839 is 9381432191.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1912341839 - 2¹² = 1912337743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1912341796 and 1912341805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912341833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956170919 + 956170920.

It is an arithmetic number, because the mean of its divisors is an integer number (956170920).

Almost surely, 2^1912341839 is an apocalyptic number.

1912341839 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912341839 is an equidigital number, since it uses as much as digits as its factorization.

1912341839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 1912341839 is about 43730.3308814374. The cubic root of 1912341839 is about 1241.2383222115.

The spelling of 1912341839 in words is "one billion, nine hundred twelve million, three hundred forty-one thousand, eight hundred thirty-nine".