6623533073 has 2 divisors, whose sum is σ = 6623533074. Its totient is φ = 6623533072.

The previous prime is 6623533061. The next prime is 6623533093. The reversal of 6623533073 is 3703353266.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6596201089 + 27331984 = 81217^2 + 5228^2 .

It is a cyclic number.

It is not a de Polignac number, because 6623533073 - 2¹⁶ = 6623467537 is a prime.

It is not a weakly prime, because it can be changed into another prime (6623533093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311766536 + 3311766537.

It is an arithmetic number, because the mean of its divisors is an integer number (3311766537).

Almost surely, 2^6623533073 is an apocalyptic number.

It is an amenable number.

6623533073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6623533073 is an equidigital number, since it uses as much as digits as its factorization.

6623533073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 38.

The square root of 6623533073 is about 81385.0912206898. The cubic root of 6623533073 is about 1878.0042455700.

The spelling of 6623533073 in words is "six billion, six hundred twenty-three million, five hundred thirty-three thousand, seventy-three".