802489688933 has 2 divisors, whose sum is σ = 802489688934. Its totient is φ = 802489688932.

The previous prime is 802489688893. The next prime is 802489688971. The reversal of 802489688933 is 339886984208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 683173330849 + 119316358084 = 826543^2 + 345422^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802489688933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802489688633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401244844466 + 401244844467.

It is an arithmetic number, because the mean of its divisors is an integer number (401244844467).

Almost surely, 2^802489688933 is an apocalyptic number.

It is an amenable number.

802489688933 is a deficient number, since it is larger than the sum of its proper divisors (1).

802489688933 is an equidigital number, since it uses as much as digits as its factorization.

802489688933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 143327232, while the sum is 68.

The spelling of 802489688933 in words is "eight hundred two billion, four hundred eighty-nine million, six hundred eighty-eight thousand, nine hundred thirty-three".