1313300449 has 2 divisors, whose sum is σ = 1313300450. Its totient is φ = 1313300448.

The previous prime is 1313300413. The next prime is 1313300509. The reversal of 1313300449 is 9440033131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311526225 + 1774224 = 36215^2 + 1332^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313300449 - 2⁷ = 1313300321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1313300249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656650224 + 656650225.

It is an arithmetic number, because the mean of its divisors is an integer number (656650225).

Almost surely, 2^1313300449 is an apocalyptic number.

It is an amenable number.

1313300449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313300449 is an equidigital number, since it uses as much as digits as its factorization.

1313300449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 1313300449 is about 36239.4874273906. The cubic root of 1313300449 is about 1095.1023163569.

The spelling of 1313300449 in words is "one billion, three hundred thirteen million, three hundred thousand, four hundred forty-nine".