1912168943 has 2 divisors, whose sum is σ = 1912168944. Its totient is φ = 1912168942.

The previous prime is 1912168919. The next prime is 1912168967. The reversal of 1912168943 is 3498612191.

It is a balanced prime because it is at equal distance from previous prime (1912168919) and next prime (1912168967).

It is an emirp because it is prime and its reverse (3498612191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1912168943 - 2¹⁰ = 1912167919 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1912168894 and 1912168903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1912168903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956084471 + 956084472.

It is an arithmetic number, because the mean of its divisors is an integer number (956084472).

Almost surely, 2^1912168943 is an apocalyptic number.

1912168943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912168943 is an equidigital number, since it uses as much as digits as its factorization.

1912168943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 44.

The square root of 1912168943 is about 43728.3539937190. The cubic root of 1912168943 is about 1241.2009140445.

The spelling of 1912168943 in words is "one billion, nine hundred twelve million, one hundred sixty-eight thousand, nine hundred forty-three".