1807491085073 has 2 divisors, whose sum is σ = 1807491085074. Its totient is φ = 1807491085072.

The previous prime is 1807491085067. The next prime is 1807491085121. The reversal of 1807491085073 is 3705801947081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 925334335249 + 882156749824 = 961943^2 + 939232^2 .

It is a cyclic number.

It is not a de Polignac number, because 1807491085073 - 2⁶ = 1807491085009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1807491085373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903745542536 + 903745542537.

It is an arithmetic number, because the mean of its divisors is an integer number (903745542537).

Almost surely, 2^{1807491085073} is an apocalyptic number.

It is an amenable number.

1807491085073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1807491085073 is an equidigital number, since it uses as much as digits as its factorization.

1807491085073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 53.

The spelling of 1807491085073 in words is "one trillion, eight hundred seven billion, four hundred ninety-one million, eighty-five thousand, seventy-three".