966654449 has 2 divisors, whose sum is σ = 966654450. Its totient is φ = 966654448.

The previous prime is 966654433. The next prime is 966654457. The reversal of 966654449 is 944456669.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 956046400 + 10608049 = 30920^2 + 3257^2 .

It is a cyclic number.

It is not a de Polignac number, because 966654449 - 2⁴ = 966654433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 966654449.

It is not a weakly prime, because it can be changed into another prime (966653449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483327224 + 483327225.

It is an arithmetic number, because the mean of its divisors is an integer number (483327225).

Almost surely, 2^966654449 is an apocalyptic number.

It is an amenable number.

966654449 is a deficient number, since it is larger than the sum of its proper divisors (1).

966654449 is an equidigital number, since it uses as much as digits as its factorization.

966654449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 53.

The square root of 966654449 is about 31091.0670289715. The cubic root of 966654449 is about 988.7589281166.

The spelling of 966654449 in words is "nine hundred sixty-six million, six hundred fifty-four thousand, four hundred forty-nine".