454243543069 has 2 divisors, whose sum is σ = 454243543070. Its totient is φ = 454243543068.

The previous prime is 454243543037. The next prime is 454243543163. The reversal of 454243543069 is 960345342454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 443336247225 + 10907295844 = 665835^2 + 104438^2 .

It is a cyclic number.

It is not a de Polignac number, because 454243543069 - 2⁵ = 454243543037 is a prime.

It is a super-2 number, since 2×454243543069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454243343069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227121771534 + 227121771535.

It is an arithmetic number, because the mean of its divisors is an integer number (227121771535).

Almost surely, 2^454243543069 is an apocalyptic number.

It is an amenable number.

454243543069 is a deficient number, since it is larger than the sum of its proper divisors (1).

454243543069 is an equidigital number, since it uses as much as digits as its factorization.

454243543069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 454243543069 in words is "four hundred fifty-four billion, two hundred forty-three million, five hundred forty-three thousand, sixty-nine".