2613660513 has 8 divisors (see below), whose sum is σ = 3485222400. Its totient is φ = 1742269488.

The previous prime is 2613660487. The next prime is 2613660589. The reversal of 2613660513 is 3150663162.

2613660513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2613660513 - 2⁹ = 2613660001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2613660113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1278 + ... + 72311.

It is an arithmetic number, because the mean of its divisors is an integer number (435652800).

Almost surely, 2^2613660513 is an apocalyptic number.

It is an amenable number.

2613660513 is a deficient number, since it is larger than the sum of its proper divisors (871561887).

2613660513 is a wasteful number, since it uses less digits than its factorization.

2613660513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85431.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 2613660513 is about 51123.9719994446. The cubic root of 2613660513 is about 1377.4728855679.

The spelling of 2613660513 in words is "two billion, six hundred thirteen million, six hundred sixty thousand, five hundred thirteen".