451440243022459 has 2 divisors, whose sum is σ = 451440243022460. Its totient is φ = 451440243022458.

The previous prime is 451440243022357. The next prime is 451440243022501. The reversal of 451440243022459 is 954220342044154.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 451440243022459 - 2⁹ = 451440243021947 is a prime.

It is not a weakly prime, because it can be changed into another prime (451440243022759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225720121511229 + 225720121511230.

It is an arithmetic number, because the mean of its divisors is an integer number (225720121511230).

Almost surely, 2^{451440243022459} is an apocalyptic number.

451440243022459 is a deficient number, since it is larger than the sum of its proper divisors (1).

451440243022459 is an equidigital number, since it uses as much as digits as its factorization.

451440243022459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 451440243022459 in words is "four hundred fifty-one trillion, four hundred forty billion, two hundred forty-three million, twenty-two thousand, four hundred fifty-nine".