5613727309 has 2 divisors, whose sum is σ = 5613727310. Its totient is φ = 5613727308.

The previous prime is 5613727307. The next prime is 5613727381. The reversal of 5613727309 is 9037273165.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3702114025 + 1911613284 = 60845^2 + 43722^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613727309 - 2¹ = 5613727307 is a prime.

Together with 5613727307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5613727307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806863654 + 2806863655.

It is an arithmetic number, because the mean of its divisors is an integer number (2806863655).

Almost surely, 2^5613727309 is an apocalyptic number.

It is an amenable number.

5613727309 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613727309 is an equidigital number, since it uses as much as digits as its factorization.

5613727309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 238140, while the sum is 43.

The square root of 5613727309 is about 74924.8110374661. The cubic root of 5613727309 is about 1777.2578352547.

The spelling of 5613727309 in words is "five billion, six hundred thirteen million, seven hundred twenty-seven thousand, three hundred nine".