2600748613 has 8 divisors (see below), whose sum is σ = 2672706456. Its totient is φ = 2529196800.

The previous prime is 2600748599. The next prime is 2600748641. The reversal of 2600748613 is 3168470062.

It can be written as a sum of positive squares in 4 ways, for example, as 52316289 + 2548432324 = 7233^2 + 50482^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2600748613 - 2²⁵ = 2567194181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2600748413) 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, 88498 + ... + 114163.

It is an arithmetic number, because the mean of its divisors is an integer number (334088307).

Almost surely, 2^2600748613 is an apocalyptic number.

It is an amenable number.

2600748613 is a deficient number, since it is larger than the sum of its proper divisors (71957843).

2600748613 is a wasteful number, since it uses less digits than its factorization.

2600748613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203015.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 2600748613 is about 50997.5353620153. The cubic root of 2600748613 is about 1375.2008280547.

The spelling of 2600748613 in words is "two billion, six hundred million, seven hundred forty-eight thousand, six hundred thirteen".