850377243251 has 2 divisors, whose sum is σ = 850377243252. Its totient is φ = 850377243250.

The previous prime is 850377243223. The next prime is 850377243259. The reversal of 850377243251 is 152342773058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850377243251 - 2²² = 850373048947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 850377243196 and 850377243205.

It is not a weakly prime, because it can be changed into another prime (850377243259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425188621625 + 425188621626.

It is an arithmetic number, because the mean of its divisors is an integer number (425188621626).

Almost surely, 2^850377243251 is an apocalyptic number.

850377243251 is a deficient number, since it is larger than the sum of its proper divisors (1).

850377243251 is an equidigital number, since it uses as much as digits as its factorization.

850377243251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 850377243251 in words is "eight hundred fifty billion, three hundred seventy-seven million, two hundred forty-three thousand, two hundred fifty-one".