918182727349 has 2 divisors, whose sum is σ = 918182727350. Its totient is φ = 918182727348.

The previous prime is 918182727331. The next prime is 918182727409. The reversal of 918182727349 is 943727281819.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 899671220100 + 18511507249 = 948510^2 + 136057^2 .

It is a cyclic number.

It is not a de Polignac number, because 918182727349 - 2⁵ = 918182727317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (918182727149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459091363674 + 459091363675.

It is an arithmetic number, because the mean of its divisors is an integer number (459091363675).

Almost surely, 2^918182727349 is an apocalyptic number.

It is an amenable number.

918182727349 is a deficient number, since it is larger than the sum of its proper divisors (1).

918182727349 is an equidigital number, since it uses as much as digits as its factorization.

918182727349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 61.

The spelling of 918182727349 in words is "nine hundred eighteen billion, one hundred eighty-two million, seven hundred twenty-seven thousand, three hundred forty-nine".