451440243620183 has 2 divisors, whose sum is σ = 451440243620184. Its totient is φ = 451440243620182.

The previous prime is 451440243620167. The next prime is 451440243620221. The reversal of 451440243620183 is 381026342044154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451440243620183 - 2⁴ = 451440243620167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451440243620083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225720121810091 + 225720121810092.

It is an arithmetic number, because the mean of its divisors is an integer number (225720121810092).

Almost surely, 2^{451440243620183} is an apocalyptic number.

451440243620183 is a deficient number, since it is larger than the sum of its proper divisors (1).

451440243620183 is an equidigital number, since it uses as much as digits as its factorization.

451440243620183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 451440243620183 in words is "four hundred fifty-one trillion, four hundred forty billion, two hundred forty-three million, six hundred twenty thousand, one hundred eighty-three".