33245341021 has 2 divisors, whose sum is σ = 33245341022. Its totient is φ = 33245341020.

The previous prime is 33245340967. The next prime is 33245341039. The reversal of 33245341021 is 12014354233.

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., 24425313796 + 8820027225 = 156286^2 + 93915^2 .

It is a cyclic number.

It is not a de Polignac number, because 33245341021 - 2¹⁵ = 33245308253 is a prime.

It is a super-2 number, since 2×33245341021² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33245341091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16622670510 + 16622670511.

It is an arithmetic number, because the mean of its divisors is an integer number (16622670511).

Almost surely, 2^33245341021 is an apocalyptic number.

It is an amenable number.

33245341021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33245341021 is an equidigital number, since it uses as much as digits as its factorization.

33245341021 is an evil number, because the sum of its binary digits is even.

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

Adding to 33245341021 its reverse (12014354233), we get a palindrome (45259695254).

The spelling of 33245341021 in words is "thirty-three billion, two hundred forty-five million, three hundred forty-one thousand, twenty-one".