946899973 has 2 divisors, whose sum is σ = 946899974. Its totient is φ = 946899972.

The previous prime is 946899959. The next prime is 946899977. The reversal of 946899973 is 379998649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 791972164 + 154927809 = 28142^2 + 12447^2 .

It is an emirp because it is prime and its reverse (379998649) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 946899973 - 2⁹ = 946899461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (946899977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473449986 + 473449987.

It is an arithmetic number, because the mean of its divisors is an integer number (473449987).

Almost surely, 2^946899973 is an apocalyptic number.

It is an amenable number.

946899973 is a deficient number, since it is larger than the sum of its proper divisors (1).

946899973 is an equidigital number, since it uses as much as digits as its factorization.

946899973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26453952, while the sum is 64.

The square root of 946899973 is about 30771.7398435643. The cubic root of 946899973 is about 981.9771181531.

The spelling of 946899973 in words is "nine hundred forty-six million, eight hundred ninety-nine thousand, nine hundred seventy-three".