1810670749073 has 2 divisors, whose sum is σ = 1810670749074. Its totient is φ = 1810670749072.

The previous prime is 1810670749039. The next prime is 1810670749093. The reversal of 1810670749073 is 3709470760181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774588986769 + 36081762304 = 1332137^2 + 189952^2 .

It is a cyclic number.

It is not a de Polignac number, because 1810670749073 - 2²² = 1810666554769 is a prime.

It is not a weakly prime, because it can be changed into another prime (1810670749033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905335374536 + 905335374537.

It is an arithmetic number, because the mean of its divisors is an integer number (905335374537).

Almost surely, 2^{1810670749073} is an apocalyptic number.

It is an amenable number.

1810670749073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1810670749073 is an equidigital number, since it uses as much as digits as its factorization.

1810670749073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The spelling of 1810670749073 in words is "one trillion, eight hundred ten billion, six hundred seventy million, seven hundred forty-nine thousand, seventy-three".