851915314 has 4 divisors (see below), whose sum is σ = 1277872974. Its totient is φ = 425957656.

The previous prime is 851915299. The next prime is 851915327. The reversal of 851915314 is 413519158.

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

It can be written as a sum of positive squares in only one way, i.e., 663320025 + 188595289 = 25755^2 + 13733^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212978827 + ... + 212978830.

Almost surely, 2^851915314 is an apocalyptic number.

851915314 is a deficient number, since it is larger than the sum of its proper divisors (425957660).

851915314 is a wasteful number, since it uses less digits than its factorization.

851915314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425957659.

The product of its digits is 21600, while the sum is 37.

The square root of 851915314 is about 29187.5883553267. The cubic root of 851915314 is about 947.9791999626.

The spelling of 851915314 in words is "eight hundred fifty-one million, nine hundred fifteen thousand, three hundred fourteen".