2013520679 has 2 divisors, whose sum is σ = 2013520680. Its totient is φ = 2013520678.

The previous prime is 2013520669. The next prime is 2013520693. The reversal of 2013520679 is 9760253102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013520679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2013520609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006760339 + 1006760340.

It is an arithmetic number, because the mean of its divisors is an integer number (1006760340).

Almost surely, 2^2013520679 is an apocalyptic number.

2013520679 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013520679 is an equidigital number, since it uses as much as digits as its factorization.

2013520679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 2013520679 is about 44872.2707136601. The cubic root of 2013520679 is about 1262.7538405905.

The spelling of 2013520679 in words is "two billion, thirteen million, five hundred twenty thousand, six hundred seventy-nine".