1244716717 has 2 divisors, whose sum is σ = 1244716718. Its totient is φ = 1244716716.

The previous prime is 1244716703. The next prime is 1244716747. The reversal of 1244716717 is 7176174421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1162741801 + 81974916 = 34099^2 + 9054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244716717 - 2²⁷ = 1110498989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1244716717.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244716747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622358358 + 622358359.

It is an arithmetic number, because the mean of its divisors is an integer number (622358359).

Almost surely, 2^1244716717 is an apocalyptic number.

It is an amenable number.

1244716717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244716717 is an equidigital number, since it uses as much as digits as its factorization.

1244716717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 65856, while the sum is 40.

The square root of 1244716717 is about 35280.5430372039. The cubic root of 1244716717 is about 1075.6975366902.

The spelling of 1244716717 in words is "one billion, two hundred forty-four million, seven hundred sixteen thousand, seven hundred seventeen".