956646673 has 2 divisors, whose sum is σ = 956646674. Its totient is φ = 956646672.

The previous prime is 956646643. The next prime is 956646697. The reversal of 956646673 is 376646659.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 886371984 + 70274689 = 29772^2 + 8383^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-956646673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 956646673.

It is not a weakly prime, because it can be changed into another prime (956646643) 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, 478323336 + 478323337.

It is an arithmetic number, because the mean of its divisors is an integer number (478323337).

Almost surely, 2^956646673 is an apocalyptic number.

It is an amenable number.

956646673 is a deficient number, since it is larger than the sum of its proper divisors (1).

956646673 is an equidigital number, since it uses as much as digits as its factorization.

956646673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 52.

The square root of 956646673 is about 30929.7053493886. The cubic root of 956646673 is about 985.3348764744.

The spelling of 956646673 in words is "nine hundred fifty-six million, six hundred forty-six thousand, six hundred seventy-three".