1912341863 has 2 divisors, whose sum is σ = 1912341864. Its totient is φ = 1912341862.

The previous prime is 1912341839. The next prime is 1912341901. The reversal of 1912341863 is 3681432191.

It is an a-pointer prime, because the next prime (1912341901) can be obtained adding 1912341863 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1912341863 - 2²⁰ = 1911293287 is a prime.

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, 956170931 + 956170932.

It is an arithmetic number, because the mean of its divisors is an integer number (956170932).

Almost surely, 2^1912341863 is an apocalyptic number.

1912341863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912341863 is an equidigital number, since it uses as much as digits as its factorization.

1912341863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 1912341863 is about 43730.3311558465. The cubic root of 1912341863 is about 1241.2383274040.

The spelling of 1912341863 in words is "one billion, nine hundred twelve million, three hundred forty-one thousand, eight hundred sixty-three".