1466031689 has 2 divisors, whose sum is σ = 1466031690. Its totient is φ = 1466031688.

The previous prime is 1466031613. The next prime is 1466031709. The reversal of 1466031689 is 9861306641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1377671689 + 88360000 = 37117^2 + 9400^2 .

It is a cyclic number.

It is not a de Polignac number, because 1466031689 - 2⁸ = 1466031433 is a prime.

It is not a weakly prime, because it can be changed into another prime (1466031989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 733015844 + 733015845.

It is an arithmetic number, because the mean of its divisors is an integer number (733015845).

Almost surely, 2^1466031689 is an apocalyptic number.

It is an amenable number.

1466031689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1466031689 is an equidigital number, since it uses as much as digits as its factorization.

1466031689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1466031689 is about 38288.7932559907. The cubic root of 1466031689 is about 1136.0072924981.

The spelling of 1466031689 in words is "one billion, four hundred sixty-six million, thirty-one thousand, six hundred eighty-nine".