654344282443433 has 2 divisors, whose sum is σ = 654344282443434. Its totient is φ = 654344282443432.

The previous prime is 654344282443387. The next prime is 654344282443487. The reversal of 654344282443433 is 334344282443456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 569536888560784 + 84807393882649 = 23864972^2 + 9209093^2 .

It is a cyclic number.

It is not a de Polignac number, because 654344282443433 - 2²⁰ = 654344281394857 is a prime.

It is a super-2 number, since 2×654344282443433² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (654344282443633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327172141221716 + 327172141221717.

It is an arithmetic number, because the mean of its divisors is an integer number (327172141221717).

Almost surely, 2^{654344282443433} is an apocalyptic number.

It is an amenable number.

654344282443433 is a deficient number, since it is larger than the sum of its proper divisors (1).

654344282443433 is an equidigital number, since it uses as much as digits as its factorization.

654344282443433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 318504960, while the sum is 59.

The spelling of 654344282443433 in words is "six hundred fifty-four trillion, three hundred forty-four billion, two hundred eighty-two million, four hundred forty-three thousand, four hundred thirty-three".