851399014 has 4 divisors (see below), whose sum is σ = 1277098524. Its totient is φ = 425699506.

The previous prime is 851398979. The next prime is 851399033. The reversal of 851399014 is 410993158.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212849752 + ... + 212849755.

It is an arithmetic number, because the mean of its divisors is an integer number (319274631).

Almost surely, 2^851399014 is an apocalyptic number.

851399014 is a deficient number, since it is larger than the sum of its proper divisors (425699510).

851399014 is a wasteful number, since it uses less digits than its factorization.

851399014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425699509.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 851399014 is about 29178.7425020339. The cubic root of 851399014 is about 947.7876548794.

The spelling of 851399014 in words is "eight hundred fifty-one million, three hundred ninety-nine thousand, fourteen".