1842049717 has 2 divisors, whose sum is σ = 1842049718. Its totient is φ = 1842049716.

The previous prime is 1842049621. The next prime is 1842049721. The reversal of 1842049717 is 7179402481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990927441 + 851122276 = 31479^2 + 29174^2 .

It is a cyclic number.

It is not a de Polignac number, because 1842049717 - 2⁷ = 1842049589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1842049777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 921024858 + 921024859.

It is an arithmetic number, because the mean of its divisors is an integer number (921024859).

Almost surely, 2^1842049717 is an apocalyptic number.

It is an amenable number.

1842049717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842049717 is an equidigital number, since it uses as much as digits as its factorization.

1842049717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1842049717 is about 42919.1066659128. The cubic root of 1842049717 is about 1225.8399829921.

The spelling of 1842049717 in words is "one billion, eight hundred forty-two million, forty-nine thousand, seven hundred seventeen".