946423691 has 2 divisors, whose sum is σ = 946423692. Its totient is φ = 946423690.

The previous prime is 946423669. The next prime is 946423727. The reversal of 946423691 is 196324649.

It is a happy number.

946423691 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 is an emirp because it is prime and its reverse (196324649) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-946423691 is a prime.

It is not a weakly prime, because it can be changed into another prime (946423391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473211845 + 473211846.

It is an arithmetic number, because the mean of its divisors is an integer number (473211846).

Almost surely, 2^946423691 is an apocalyptic number.

946423691 is a deficient number, since it is larger than the sum of its proper divisors (1).

946423691 is an equidigital number, since it uses as much as digits as its factorization.

946423691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 44.

The square root of 946423691 is about 30763.9999187362. Note that the first 4 decimals coincide. The cubic root of 946423691 is about 981.8124487135.

The spelling of 946423691 in words is "nine hundred forty-six million, four hundred twenty-three thousand, six hundred ninety-one".