1010012186609 has 2 divisors, whose sum is σ = 1010012186610. Its totient is φ = 1010012186608.

The previous prime is 1010012186563. The next prime is 1010012186621. The reversal of 1010012186609 is 9066812100101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570115603600 + 439896583009 = 755060^2 + 663247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010012186609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1010012186669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505006093304 + 505006093305.

It is an arithmetic number, because the mean of its divisors is an integer number (505006093305).

Almost surely, 2^{1010012186609} is an apocalyptic number.

It is an amenable number.

1010012186609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010012186609 is an equidigital number, since it uses as much as digits as its factorization.

1010012186609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 1010012186609 in words is "one trillion, ten billion, twelve million, one hundred eighty-six thousand, six hundred nine".