2613523289 has 4 divisors (see below), whose sum is σ = 2814563556. Its totient is φ = 2412483024.

The previous prime is 2613523259. The next prime is 2613523343. The reversal of 2613523289 is 9823253162.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 284495689 + 2329027600 = 16867^2 + 48260^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2613523289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2613523249) 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, 100520114 + ... + 100520139.

It is an arithmetic number, because the mean of its divisors is an integer number (703640889).

Almost surely, 2^2613523289 is an apocalyptic number.

It is an amenable number.

2613523289 is a deficient number, since it is larger than the sum of its proper divisors (201040267).

2613523289 is a wasteful number, since it uses less digits than its factorization.

2613523289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201040266.

The product of its digits is 155520, while the sum is 41.

The square root of 2613523289 is about 51122.6299108330. The cubic root of 2613523289 is about 1377.4487781718.

The spelling of 2613523289 in words is "two billion, six hundred thirteen million, five hundred twenty-three thousand, two hundred eighty-nine".