946609999 has 2 divisors, whose sum is σ = 946610000. Its totient is φ = 946609998.

The previous prime is 946609987. The next prime is 946610023. The reversal of 946609999 is 999906649.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 946609999 - 2⁷ = 946609871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946609099) 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, 473304999 + 473305000.

It is an arithmetic number, because the mean of its divisors is an integer number (473305000).

Almost surely, 2^946609999 is an apocalyptic number.

946609999 is a deficient number, since it is larger than the sum of its proper divisors (1).

946609999 is an equidigital number, since it uses as much as digits as its factorization.

946609999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8503056, while the sum is 61.

The square root of 946609999 is about 30767.0277895022. The cubic root of 946609999 is about 981.8768693016.

The spelling of 946609999 in words is "nine hundred forty-six million, six hundred nine thousand, nine hundred ninety-nine".