850030346861 has 2 divisors, whose sum is σ = 850030346862. Its totient is φ = 850030346860.

The previous prime is 850030346831. The next prime is 850030346899. The reversal of 850030346861 is 168643030058.

850030346861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 733343886025 + 116686460836 = 856355^2 + 341594^2 .

It is a cyclic number.

It is not a de Polignac number, because 850030346861 - 2²² = 850026152557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850030346821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425015173430 + 425015173431.

It is an arithmetic number, because the mean of its divisors is an integer number (425015173431).

Almost surely, 2^850030346861 is an apocalyptic number.

It is an amenable number.

850030346861 is a deficient number, since it is larger than the sum of its proper divisors (1).

850030346861 is an equidigital number, since it uses as much as digits as its factorization.

850030346861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 850030346861 in words is "eight hundred fifty billion, thirty million, three hundred forty-six thousand, eight hundred sixty-one".