802720546249 has 2 divisors, whose sum is σ = 802720546250. Its totient is φ = 802720546248.

The previous prime is 802720546127. The next prime is 802720546259. The reversal of 802720546249 is 942645027208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 655193113600 + 147527432649 = 809440^2 + 384093^2 .

It is a cyclic number.

It is not a de Polignac number, because 802720546249 - 2¹¹ = 802720544201 is a prime.

It is not a weakly prime, because it can be changed into another prime (802720546259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401360273124 + 401360273125.

It is an arithmetic number, because the mean of its divisors is an integer number (401360273125).

Almost surely, 2^802720546249 is an apocalyptic number.

It is an amenable number.

802720546249 is a deficient number, since it is larger than the sum of its proper divisors (1).

802720546249 is an equidigital number, since it uses as much as digits as its factorization.

802720546249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 802720546249 in words is "eight hundred two billion, seven hundred twenty million, five hundred forty-six thousand, two hundred forty-nine".