1782195072473 has 2 divisors, whose sum is σ = 1782195072474. Its totient is φ = 1782195072472.

The previous prime is 1782195072461. The next prime is 1782195072547. The reversal of 1782195072473 is 3742705912871.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1564780831744 + 217414240729 = 1250912^2 + 466277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1782195072473 - 2²⁴ = 1782178295257 is a prime.

It is not a weakly prime, because it can be changed into another prime (1782195072373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 891097536236 + 891097536237.

It is an arithmetic number, because the mean of its divisors is an integer number (891097536237).

Almost surely, 2^{1782195072473} is an apocalyptic number.

It is an amenable number.

1782195072473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1782195072473 is an equidigital number, since it uses as much as digits as its factorization.

1782195072473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 1782195072473 in words is "one trillion, seven hundred eighty-two billion, one hundred ninety-five million, seventy-two thousand, four hundred seventy-three".