2133040233481 has 2 divisors, whose sum is σ = 2133040233482. Its totient is φ = 2133040233480.

The previous prime is 2133040233463. The next prime is 2133040233613. The reversal of 2133040233481 is 1843320403312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1484839731600 + 648200501881 = 1218540^2 + 805109^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133040233481 - 2⁵ = 2133040233449 is a prime.

It is a super-2 number, since 2×2133040233481² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2133040233421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066520116740 + 1066520116741.

It is an arithmetic number, because the mean of its divisors is an integer number (1066520116741).

Almost surely, 2^{2133040233481} is an apocalyptic number.

It is an amenable number.

2133040233481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133040233481 is an equidigital number, since it uses as much as digits as its factorization.

2133040233481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 2133040233481 its reverse (1843320403312), we get a palindrome (3976360636793).

The spelling of 2133040233481 in words is "two trillion, one hundred thirty-three billion, forty million, two hundred thirty-three thousand, four hundred eighty-one".