851683350103 has 2 divisors, whose sum is σ = 851683350104. Its totient is φ = 851683350102.

The previous prime is 851683350041. The next prime is 851683350187. The reversal of 851683350103 is 301053386158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 851683350103 - 2¹⁷ = 851683219031 is a prime.

It is a super-2 number, since 2×851683350103² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 851683350103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (851683350503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425841675051 + 425841675052.

It is an arithmetic number, because the mean of its divisors is an integer number (425841675052).

Almost surely, 2^851683350103 is an apocalyptic number.

851683350103 is a deficient number, since it is larger than the sum of its proper divisors (1).

851683350103 is an equidigital number, since it uses as much as digits as its factorization.

851683350103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 851683350103 in words is "eight hundred fifty-one billion, six hundred eighty-three million, three hundred fifty thousand, one hundred three".