946672289 has 2 divisors, whose sum is σ = 946672290. Its totient is φ = 946672288.

The previous prime is 946672277. The next prime is 946672291. The reversal of 946672289 is 982276649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493195264 + 453477025 = 22208^2 + 21295^2 .

It is a cyclic number.

It is not a de Polignac number, because 946672289 - 2⁸ = 946672033 is a prime.

Together with 946672291, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 946672289.

It is not a weakly prime, because it can be changed into another prime (946672789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473336144 + 473336145.

It is an arithmetic number, because the mean of its divisors is an integer number (473336145).

Almost surely, 2^946672289 is an apocalyptic number.

It is an amenable number.

946672289 is a deficient number, since it is larger than the sum of its proper divisors (1).

946672289 is an equidigital number, since it uses as much as digits as its factorization.

946672289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The square root of 946672289 is about 30768.0400578262. The cubic root of 946672289 is about 981.8984057206.

The spelling of 946672289 in words is "nine hundred forty-six million, six hundred seventy-two thousand, two hundred eighty-nine".