850467773410681 has 2 divisors, whose sum is σ = 850467773410682. Its totient is φ = 850467773410680.

The previous prime is 850467773410669. The next prime is 850467773410693. The reversal of 850467773410681 is 186014377764058.

It is a balanced prime because it is at equal distance from previous prime (850467773410669) and next prime (850467773410693).

It can be written as a sum of positive squares in only one way, i.e., 739525601408400 + 110942172002281 = 27194220^2 + 10532909^2 .

It is a cyclic number.

It is not a de Polignac number, because 850467773410681 - 2⁷ = 850467773410553 is a prime.

It is a super-2 number, since 2×850467773410681² (a number of 31 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (850467773480681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425233886705340 + 425233886705341.

It is an arithmetic number, because the mean of its divisors is an integer number (425233886705341).

Almost surely, 2^{850467773410681} is an apocalyptic number.

It is an amenable number.

850467773410681 is a deficient number, since it is larger than the sum of its proper divisors (1).

850467773410681 is an equidigital number, since it uses as much as digits as its factorization.

850467773410681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189665280, while the sum is 67.

The spelling of 850467773410681 in words is "eight hundred fifty trillion, four hundred sixty-seven billion, seven hundred seventy-three million, four hundred ten thousand, six hundred eighty-one".