946493609 has 2 divisors, whose sum is σ = 946493610. Its totient is φ = 946493608.

The previous prime is 946493599. The next prime is 946493617. The reversal of 946493609 is 906394649.

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., 662908009 + 283585600 = 25747^2 + 16840^2 .

It is a cyclic number.

It is not a de Polignac number, because 946493609 - 2⁴ = 946493593 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (946493689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473246804 + 473246805.

It is an arithmetic number, because the mean of its divisors is an integer number (473246805).

Almost surely, 2^946493609 is an apocalyptic number.

It is an amenable number.

946493609 is a deficient number, since it is larger than the sum of its proper divisors (1).

946493609 is an equidigital number, since it uses as much as digits as its factorization.

946493609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 50.

The square root of 946493609 is about 30765.1362584338. The cubic root of 946493609 is about 981.8366255782.

The spelling of 946493609 in words is "nine hundred forty-six million, four hundred ninety-three thousand, six hundred nine".