453054143164421 has 2 divisors, whose sum is σ = 453054143164422. Its totient is φ = 453054143164420.

The previous prime is 453054143164417. The next prime is 453054143164457. The reversal of 453054143164421 is 124461341450354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 450780413928100 + 2273729236321 = 21231590^2 + 1507889^2 .

It is a cyclic number.

It is not a de Polignac number, because 453054143164421 - 2² = 453054143164417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (453054143164411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226527071582210 + 226527071582211.

It is an arithmetic number, because the mean of its divisors is an integer number (226527071582211).

Almost surely, 2^{453054143164421} is an apocalyptic number.

It is an amenable number.

453054143164421 is a deficient number, since it is larger than the sum of its proper divisors (1).

453054143164421 is an equidigital number, since it uses as much as digits as its factorization.

453054143164421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 453054143164421 in words is "four hundred fifty-three trillion, fifty-four billion, one hundred forty-three million, one hundred sixty-four thousand, four hundred twenty-one".