1349727697 has 2 divisors, whose sum is σ = 1349727698. Its totient is φ = 1349727696.

The previous prime is 1349727689. The next prime is 1349727703. The reversal of 1349727697 is 7967279431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 713477521 + 636250176 = 26711^2 + 25224^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349727697 - 2³ = 1349727689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1349727397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674863848 + 674863849.

It is an arithmetic number, because the mean of its divisors is an integer number (674863849).

Almost surely, 2^1349727697 is an apocalyptic number.

It is an amenable number.

1349727697 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349727697 is an equidigital number, since it uses as much as digits as its factorization.

1349727697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 55.

The square root of 1349727697 is about 36738.6403803951. The cubic root of 1349727697 is about 1105.1351354969.

The spelling of 1349727697 in words is "one billion, three hundred forty-nine million, seven hundred twenty-seven thousand, six hundred ninety-seven".