806355630389 has 2 divisors, whose sum is σ = 806355630390. Its totient is φ = 806355630388.

The previous prime is 806355630343. The next prime is 806355630439. The reversal of 806355630389 is 983036553608.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620235002500 + 186120627889 = 787550^2 + 431417^2 .

It is a cyclic number.

It is not a de Polignac number, because 806355630389 - 2¹⁶ = 806355564853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (806355632389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 403177815194 + 403177815195.

It is an arithmetic number, because the mean of its divisors is an integer number (403177815195).

Almost surely, 2^806355630389 is an apocalyptic number.

It is an amenable number.

806355630389 is a deficient number, since it is larger than the sum of its proper divisors (1).

806355630389 is an equidigital number, since it uses as much as digits as its factorization.

806355630389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 806355630389 in words is "eight hundred six billion, three hundred fifty-five million, six hundred thirty thousand, three hundred eighty-nine".