1313574349 has 2 divisors, whose sum is σ = 1313574350. Its totient is φ = 1313574348.

The previous prime is 1313574319. The next prime is 1313574389. The reversal of 1313574349 is 9434753131.

It is an a-pointer prime, because the next prime (1313574389) can be obtained adding 1313574349 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228011849 + 85562500 = 35043^2 + 9250^2 .

It is an emirp because it is prime and its reverse (9434753131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313574349 - 2¹⁹ = 1313050061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313574319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656787174 + 656787175.

It is an arithmetic number, because the mean of its divisors is an integer number (656787175).

Almost surely, 2^1313574349 is an apocalyptic number.

It is an amenable number.

1313574349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313574349 is an equidigital number, since it uses as much as digits as its factorization.

1313574349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 40.

The square root of 1313574349 is about 36243.2662573339. The cubic root of 1313574349 is about 1095.1784420383.

The spelling of 1313574349 in words is "one billion, three hundred thirteen million, five hundred seventy-four thousand, three hundred forty-nine".