2013112609 has 2 divisors, whose sum is σ = 2013112610. Its totient is φ = 2013112608.

The previous prime is 2013112583. The next prime is 2013112663. The reversal of 2013112609 is 9062113102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1215219600 + 797893009 = 34860^2 + 28247^2 .

It is a cyclic number.

It is not a de Polignac number, because 2013112609 - 2¹⁵ = 2013079841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2013112009) 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, 1006556304 + 1006556305.

It is an arithmetic number, because the mean of its divisors is an integer number (1006556305).

Almost surely, 2^2013112609 is an apocalyptic number.

It is an amenable number.

2013112609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013112609 is an equidigital number, since it uses as much as digits as its factorization.

2013112609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2013112609 is about 44867.7234657610. The cubic root of 2013112609 is about 1262.6685295265.

The spelling of 2013112609 in words is "two billion, thirteen million, one hundred twelve thousand, six hundred nine".