946591489 has 2 divisors, whose sum is σ = 946591490. Its totient is φ = 946591488.

The previous prime is 946591439. The next prime is 946591553. The reversal of 946591489 is 984195649.

946591489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 934341489 + 12250000 = 30567^2 + 3500^2 .

It is a cyclic number.

It is not a de Polignac number, because 946591489 - 2⁷ = 946591361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (946591439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473295744 + 473295745.

It is an arithmetic number, because the mean of its divisors is an integer number (473295745).

Almost surely, 2^946591489 is an apocalyptic number.

It is an amenable number.

946591489 is a deficient number, since it is larger than the sum of its proper divisors (1).

946591489 is an equidigital number, since it uses as much as digits as its factorization.

946591489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 55.

The square root of 946591489 is about 30766.7269789947. The cubic root of 946591489 is about 981.8704693905.

The spelling of 946591489 in words is "nine hundred forty-six million, five hundred ninety-one thousand, four hundred eighty-nine".