5613727381 has 2 divisors, whose sum is σ = 5613727382. Its totient is φ = 5613727380.

The previous prime is 5613727309. The next prime is 5613727387. The reversal of 5613727381 is 1837273165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3132193156 + 2481534225 = 55966^2 + 49815^2 .

It is a cyclic number.

It is not a de Polignac number, because 5613727381 - 2⁹ = 5613726869 is a prime.

It is a super-2 number, since 2×5613727381² = 63027870216378238322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5613727387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806863690 + 2806863691.

It is an arithmetic number, because the mean of its divisors is an integer number (2806863691).

Almost surely, 2^5613727381 is an apocalyptic number.

It is an amenable number.

5613727381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5613727381 is an equidigital number, since it uses as much as digits as its factorization.

5613727381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211680, while the sum is 43.

The square root of 5613727381 is about 74924.8115179478. The cubic root of 5613727381 is about 1777.2578428529.

The spelling of 5613727381 in words is "five billion, six hundred thirteen million, seven hundred twenty-seven thousand, three hundred eighty-one".