5618712761 has 2 divisors, whose sum is σ = 5618712762. Its totient is φ = 5618712760.

The previous prime is 5618712733. The next prime is 5618712763. The reversal of 5618712761 is 1672178165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4621416361 + 997296400 = 67981^2 + 31580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5618712761 is a prime.

Together with 5618712763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5618712763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2809356380 + 2809356381.

It is an arithmetic number, because the mean of its divisors is an integer number (2809356381).

Almost surely, 2^5618712761 is an apocalyptic number.

It is an amenable number.

5618712761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5618712761 is an equidigital number, since it uses as much as digits as its factorization.

5618712761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 44.

The square root of 5618712761 is about 74958.0733543759. The cubic root of 5618712761 is about 1777.7837966765.

The spelling of 5618712761 in words is "five billion, six hundred eighteen million, seven hundred twelve thousand, seven hundred sixty-one".