2013718613 has 4 divisors (see below), whose sum is σ = 2013933120. Its totient is φ = 2013504108.

The previous prime is 2013718601. The next prime is 2013718621. The reversal of 2013718613 is 3168173102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3168173102 = 2 ⋅1584086551.

It is a cyclic number.

It is not a de Polignac number, because 2013718613 - 2¹⁸ = 2013456469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2013718613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013718013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92495 + ... + 112172.

It is an arithmetic number, because the mean of its divisors is an integer number (503483280).

Almost surely, 2^2013718613 is an apocalyptic number.

It is an amenable number.

2013718613 is a deficient number, since it is larger than the sum of its proper divisors (214507).

2013718613 is an equidigital number, since it uses as much as digits as its factorization.

2013718613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214506.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2013718613 is about 44874.4761863579. The cubic root of 2013718613 is about 1262.7952164968.

The spelling of 2013718613 in words is "two billion, thirteen million, seven hundred eighteen thousand, six hundred thirteen".