1314648409 has 2 divisors, whose sum is σ = 1314648410. Its totient is φ = 1314648408.

The previous prime is 1314648383. The next prime is 1314648497. The reversal of 1314648409 is 9048464131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720654025 + 593994384 = 26845^2 + 24372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314648409 - 2⁹ = 1314647897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1314648509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657324204 + 657324205.

It is an arithmetic number, because the mean of its divisors is an integer number (657324205).

Almost surely, 2^1314648409 is an apocalyptic number.

It is an amenable number.

1314648409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314648409 is an equidigital number, since it uses as much as digits as its factorization.

1314648409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1314648409 is about 36258.0806028118. The cubic root of 1314648409 is about 1095.4768560316.

The spelling of 1314648409 in words is "one billion, three hundred fourteen million, six hundred forty-eight thousand, four hundred nine".