1912422946393 has 2 divisors, whose sum is σ = 1912422946394. Its totient is φ = 1912422946392.

The previous prime is 1912422946351. The next prime is 1912422946417. The reversal of 1912422946393 is 3936492242191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1298624343184 + 613798603209 = 1139572^2 + 783453^2 .

It is a cyclic number.

It is not a de Polignac number, because 1912422946393 - 2¹⁷ = 1912422815321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1912422946493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 956211473196 + 956211473197.

It is an arithmetic number, because the mean of its divisors is an integer number (956211473197).

Almost surely, 2^{1912422946393} is an apocalyptic number.

It is an amenable number.

1912422946393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1912422946393 is an equidigital number, since it uses as much as digits as its factorization.

1912422946393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 55.

The spelling of 1912422946393 in words is "one trillion, nine hundred twelve billion, four hundred twenty-two million, nine hundred forty-six thousand, three hundred ninety-three".