1317610149389 has 2 divisors, whose sum is σ = 1317610149390. Its totient is φ = 1317610149388.

The previous prime is 1317610149283. The next prime is 1317610149451. The reversal of 1317610149389 is 9839410167131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1244469651364 + 73140498025 = 1115558^2 + 270445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1317610149389 - 2⁸ = 1317610149133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1317610149389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1317610169389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658805074694 + 658805074695.

It is an arithmetic number, because the mean of its divisors is an integer number (658805074695).

Almost surely, 2^{1317610149389} is an apocalyptic number.

It is an amenable number.

1317610149389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1317610149389 is an equidigital number, since it uses as much as digits as its factorization.

1317610149389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 1317610149389 in words is "one trillion, three hundred seventeen billion, six hundred ten million, one hundred forty-nine thousand, three hundred eighty-nine".