455967649 has 2 divisors, whose sum is σ = 455967650. Its totient is φ = 455967648.

The previous prime is 455967599. The next prime is 455967653. The reversal of 455967649 is 946769554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344770624 + 111197025 = 18568^2 + 10545^2 .

It is a cyclic number.

It is not a de Polignac number, because 455967649 - 2⁹ = 455967137 is a prime.

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 455967649.

It is not a weakly prime, because it can be changed into another prime (455967049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227983824 + 227983825.

It is an arithmetic number, because the mean of its divisors is an integer number (227983825).

Almost surely, 2^455967649 is an apocalyptic number.

It is an amenable number.

455967649 is a deficient number, since it is larger than the sum of its proper divisors (1).

455967649 is an equidigital number, since it uses as much as digits as its factorization.

455967649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 55.

The square root of 455967649 is about 21353.3990034374. The cubic root of 455967649 is about 769.6820236524.

The spelling of 455967649 in words is "four hundred fifty-five million, nine hundred sixty-seven thousand, six hundred forty-nine".