533453068654981 has 2 divisors, whose sum is σ = 533453068654982. Its totient is φ = 533453068654980.

The previous prime is 533453068654967. The next prime is 533453068655047. The reversal of 533453068654981 is 189456860354335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 533173914932481 + 279153722500 = 23090559^2 + 528350^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-533453068654981 is a prime.

It is a super-2 number, since 2×533453068654981² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 533453068654981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533453068694981) 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, 266726534327490 + 266726534327491.

It is an arithmetic number, because the mean of its divisors is an integer number (266726534327491).

Almost surely, 2^{533453068654981} is an apocalyptic number.

It is an amenable number.

533453068654981 is a deficient number, since it is larger than the sum of its proper divisors (1).

533453068654981 is an equidigital number, since it uses as much as digits as its factorization.

533453068654981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744000, while the sum is 70.

The spelling of 533453068654981 in words is "five hundred thirty-three trillion, four hundred fifty-three billion, sixty-eight million, six hundred fifty-four thousand, nine hundred eighty-one".