1468345409 has 2 divisors, whose sum is σ = 1468345410. Its totient is φ = 1468345408.

The previous prime is 1468345397. The next prime is 1468345451. The reversal of 1468345409 is 9045438641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1053327025 + 415018384 = 32455^2 + 20372^2 .

It is a cyclic number.

It is not a de Polignac number, because 1468345409 - 2¹⁶ = 1468279873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1468345409.

It is not a weakly prime, because it can be changed into another prime (1468345469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 734172704 + 734172705.

It is an arithmetic number, because the mean of its divisors is an integer number (734172705).

Almost surely, 2^1468345409 is an apocalyptic number.

It is an amenable number.

1468345409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468345409 is an equidigital number, since it uses as much as digits as its factorization.

1468345409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 1468345409 is about 38318.9954069780. The cubic root of 1468345409 is about 1136.6046013856.

The spelling of 1468345409 in words is "one billion, four hundred sixty-eight million, three hundred forty-five thousand, four hundred nine".