1333040452021 has 2 divisors, whose sum is σ = 1333040452022. Its totient is φ = 1333040452020.

The previous prime is 1333040451947. The next prime is 1333040452027. The reversal of 1333040452021 is 1202540403331.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1167156122500 + 165884329521 = 1080350^2 + 407289^2 .

It is an emirp because it is prime and its reverse (1202540403331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1333040452021 - 2²⁷ = 1332906234293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1333040452027) 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, 666520226010 + 666520226011.

It is an arithmetic number, because the mean of its divisors is an integer number (666520226011).

Almost surely, 2^{1333040452021} is an apocalyptic number.

It is an amenable number.

1333040452021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1333040452021 is an equidigital number, since it uses as much as digits as its factorization.

1333040452021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 1333040452021 its reverse (1202540403331), we get a palindrome (2535580855352).

The spelling of 1333040452021 in words is "one trillion, three hundred thirty-three billion, forty million, four hundred fifty-two thousand, twenty-one".