851196473 has 4 divisors (see below), whose sum is σ = 857694288. Its totient is φ = 844698660.

The previous prime is 851196427. The next prime is 851196491. The reversal of 851196473 is 374691158.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 851196473 - 2¹⁶ = 851130937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (851196413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248711 + ... + 3248972.

It is an arithmetic number, because the mean of its divisors is an integer number (214423572).

Almost surely, 2^851196473 is an apocalyptic number.

It is an amenable number.

851196473 is a deficient number, since it is larger than the sum of its proper divisors (6497815).

851196473 is a wasteful number, since it uses less digits than its factorization.

851196473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497814.

The product of its digits is 181440, while the sum is 44.

The square root of 851196473 is about 29175.2716011351. The cubic root of 851196473 is about 947.7124918906.

The spelling of 851196473 in words is "eight hundred fifty-one million, one hundred ninety-six thousand, four hundred seventy-three".