1842336473 has 2 divisors, whose sum is σ = 1842336474. Its totient is φ = 1842336472.

The previous prime is 1842336451. The next prime is 1842336491. The reversal of 1842336473 is 3746332481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1636040704 + 206295769 = 40448^2 + 14363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1842336473 - 2¹⁰ = 1842335449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1842336473.

It is not a weakly prime, because it can be changed into another prime (1842336403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921168236 + 921168237.

It is an arithmetic number, because the mean of its divisors is an integer number (921168237).

Almost surely, 2^1842336473 is an apocalyptic number.

It is an amenable number.

1842336473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842336473 is an equidigital number, since it uses as much as digits as its factorization.

1842336473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 41.

The square root of 1842336473 is about 42922.4471925821. The cubic root of 1842336473 is about 1225.9035894423.

The spelling of 1842336473 in words is "one billion, eight hundred forty-two million, three hundred thirty-six thousand, four hundred seventy-three".