1317141569 has 2 divisors, whose sum is σ = 1317141570. Its totient is φ = 1317141568.

The previous prime is 1317141533. The next prime is 1317141587. The reversal of 1317141569 is 9651417131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1146499600 + 170641969 = 33860^2 + 13063^2 .

It is an emirp because it is prime and its reverse (9651417131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1317141569 is a prime.

It is a super-2 number, since 2×1317141569² = 3469723825575563522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1317141509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658570784 + 658570785.

It is an arithmetic number, because the mean of its divisors is an integer number (658570785).

Almost surely, 2^1317141569 is an apocalyptic number.

It is an amenable number.

1317141569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317141569 is an equidigital number, since it uses as much as digits as its factorization.

1317141569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 38.

The square root of 1317141569 is about 36292.4450678099. The cubic root of 1317141569 is about 1096.1689230391.

It can be divided in two parts, 131 and 7141569, that multiplied together give a palindrome (935545539).

The spelling of 1317141569 in words is "one billion, three hundred seventeen million, one hundred forty-one thousand, five hundred sixty-nine".