455444342063 has 2 divisors, whose sum is σ = 455444342064. Its totient is φ = 455444342062.

The previous prime is 455444342057. The next prime is 455444342083. The reversal of 455444342063 is 360243444554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 455444342063 - 2³⁶ = 386724865327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455444342083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227722171031 + 227722171032.

It is an arithmetic number, because the mean of its divisors is an integer number (227722171032).

Almost surely, 2^455444342063 is an apocalyptic number.

455444342063 is a deficient number, since it is larger than the sum of its proper divisors (1).

455444342063 is an equidigital number, since it uses as much as digits as its factorization.

455444342063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2764800, while the sum is 44.

The spelling of 455444342063 in words is "four hundred fifty-five billion, four hundred forty-four million, three hundred forty-two thousand, sixty-three".