850836488651 has 2 divisors, whose sum is σ = 850836488652. Its totient is φ = 850836488650.

The previous prime is 850836488647. The next prime is 850836488731. The reversal of 850836488651 is 156884638058.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850836488651 - 2² = 850836488647 is a prime.

It is not a weakly prime, because it can be changed into another prime (850836482651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425418244325 + 425418244326.

It is an arithmetic number, because the mean of its divisors is an integer number (425418244326).

Almost surely, 2^850836488651 is an apocalyptic number.

850836488651 is a deficient number, since it is larger than the sum of its proper divisors (1).

850836488651 is an equidigital number, since it uses as much as digits as its factorization.

850836488651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44236800, while the sum is 62.

The spelling of 850836488651 in words is "eight hundred fifty billion, eight hundred thirty-six million, four hundred eighty-eight thousand, six hundred fifty-one".