1313041421449 has 2 divisors, whose sum is σ = 1313041421450. Its totient is φ = 1313041421448.

The previous prime is 1313041421423. The next prime is 1313041421491. The reversal of 1313041421449 is 9441241403131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1291393596025 + 21647825424 = 1136395^2 + 147132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313041421449 - 2¹⁷ = 1313041290377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313041721449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656520710724 + 656520710725.

It is an arithmetic number, because the mean of its divisors is an integer number (656520710725).

Almost surely, 2^{1313041421449} is an apocalyptic number.

It is an amenable number.

1313041421449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313041421449 is an equidigital number, since it uses as much as digits as its factorization.

1313041421449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 1313041421449 in words is "one trillion, three hundred thirteen billion, forty-one million, four hundred twenty-one thousand, four hundred forty-nine".