1466108909 has 2 divisors, whose sum is σ = 1466108910. Its totient is φ = 1466108908.

The previous prime is 1466108851. The next prime is 1466108923. The reversal of 1466108909 is 9098016641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1276275625 + 189833284 = 35725^2 + 13778^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466108909 - 2⁸ = 1466108653 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 1466108909.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1466108999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733054454 + 733054455.

It is an arithmetic number, because the mean of its divisors is an integer number (733054455).

Almost surely, 2^1466108909 is an apocalyptic number.

It is an amenable number.

1466108909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466108909 is an equidigital number, since it uses as much as digits as its factorization.

1466108909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 1466108909 is about 38289.8016317661. The cubic root of 1466108909 is about 1136.0272377111.

The spelling of 1466108909 in words is "one billion, four hundred sixty-six million, one hundred eight thousand, nine hundred nine".