6653445433 has 2 divisors, whose sum is σ = 6653445434. Its totient is φ = 6653445432.

The previous prime is 6653445373. The next prime is 6653445473. The reversal of 6653445433 is 3345443566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3737121424 + 2916324009 = 61132^2 + 54003^2 .

It is a cyclic number.

It is not a de Polignac number, because 6653445433 - 2²⁹ = 6116574521 is a prime.

It is a super-2 number, since 2×6653445433² = 88536672259817114978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6653445433.

It is not a weakly prime, because it can be changed into another prime (6653445473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3326722716 + 3326722717.

It is an arithmetic number, because the mean of its divisors is an integer number (3326722717).

Almost surely, 2^6653445433 is an apocalyptic number.

It is an amenable number.

6653445433 is a deficient number, since it is larger than the sum of its proper divisors (1).

6653445433 is an equidigital number, since it uses as much as digits as its factorization.

6653445433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 43.

The square root of 6653445433 is about 81568.6547210385. The cubic root of 6653445433 is about 1880.8270686617.

Adding to 6653445433 its reverse (3345443566), we get a palindrome (9998888999).

The spelling of 6653445433 in words is "six billion, six hundred fifty-three million, four hundred forty-five thousand, four hundred thirty-three".