21033303023269 has 2 divisors, whose sum is σ = 21033303023270. Its totient is φ = 21033303023268.

The previous prime is 21033303023203. The next prime is 21033303023387. The reversal of 21033303023269 is 96232030333012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20901922147044 + 131380876225 = 4571862^2 + 362465^2 .

It is a cyclic number.

It is not a de Polignac number, because 21033303023269 - 2¹¹ = 21033303021221 is a prime.

It is a super-2 number, since 2×21033303023269² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21033303023069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10516651511634 + 10516651511635.

It is an arithmetic number, because the mean of its divisors is an integer number (10516651511635).

Almost surely, 2^{21033303023269} is an apocalyptic number.

It is an amenable number.

21033303023269 is a deficient number, since it is larger than the sum of its proper divisors (1).

21033303023269 is an equidigital number, since it uses as much as digits as its factorization.

21033303023269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 37.

The spelling of 21033303023269 in words is "twenty-one trillion, thirty-three billion, three hundred three million, twenty-three thousand, two hundred sixty-nine".