850381151 has 4 divisors (see below), whose sum is σ = 850445904. Its totient is φ = 850316400.

The previous prime is 850381141. The next prime is 850381163. The reversal of 850381151 is 151183058.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 850381151 - 2¹⁸ = 850119007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850381111) 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 in 3 ways as a sum of consecutive naturals, for example, 4910 + ... + 41531.

It is an arithmetic number, because the mean of its divisors is an integer number (212611476).

Almost surely, 2^850381151 is an apocalyptic number.

850381151 is a deficient number, since it is larger than the sum of its proper divisors (64753).

850381151 is a wasteful number, since it uses less digits than its factorization.

850381151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64752.

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 850381151 is about 29161.2954273297. The cubic root of 850381151 is about 947.4098051398.

The spelling of 850381151 in words is "eight hundred fifty million, three hundred eighty-one thousand, one hundred fifty-one".