533341999999981 has 2 divisors, whose sum is σ = 533341999999982. Its totient is φ = 533341999999980.

The previous prime is 533341999999967. The next prime is 533342000000057. The reversal of 533341999999981 is 189999999143335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306232850240100 + 227109149759881 = 17499510^2 + 15070141^2 .

It is a cyclic number.

It is not a de Polignac number, because 533341999999981 - 2⁹ = 533341999999469 is a prime.

It is a super-2 number, since 2×533341999999981² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (533341999999961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266670999999990 + 266670999999991.

It is an arithmetic number, because the mean of its divisors is an integer number (266670999999991).

Almost surely, 2^{533341999999981} is an apocalyptic number.

It is an amenable number.

533341999999981 is a deficient number, since it is larger than the sum of its proper divisors (1).

533341999999981 is an equidigital number, since it uses as much as digits as its factorization.

533341999999981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20662426080, while the sum is 91.

The spelling of 533341999999981 in words is "five hundred thirty-three trillion, three hundred forty-one billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred eighty-one".