851273733103 has 4 divisors (see below), whose sum is σ = 859702186008. Its totient is φ = 842845280200.

The previous prime is 851273733073. The next prime is 851273733113. The reversal of 851273733103 is 301337372158.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-851273733103 is a prime.

It is a super-2 number, since 2×851273733103² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 851273733103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851273733113) 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, 4214226301 + ... + 4214226502.

It is an arithmetic number, because the mean of its divisors is an integer number (214925546502).

Almost surely, 2^851273733103 is an apocalyptic number.

851273733103 is a deficient number, since it is larger than the sum of its proper divisors (8428452905).

851273733103 is a wasteful number, since it uses less digits than its factorization.

851273733103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8428452904.

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 851273733103 in words is "eight hundred fifty-one billion, two hundred seventy-three million, seven hundred thirty-three thousand, one hundred three".