1850168350013 has 4 divisors (see below), whose sum is σ = 1852692454908. Its totient is φ = 1847644245120.

The previous prime is 1850168349977. The next prime is 1850168350073. The reversal of 1850168350013 is 3100538610581.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1247181933529 + 602986416484 = 1116773^2 + 776522^2 .

It is a cyclic number.

It is not a de Polignac number, because 1850168350013 - 2¹² = 1850168345917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850168350073) 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, 1262051348 + ... + 1262052813.

It is an arithmetic number, because the mean of its divisors is an integer number (463173113727).

Almost surely, 2^{1850168350013} is an apocalyptic number.

It is an amenable number.

1850168350013 is a deficient number, since it is larger than the sum of its proper divisors (2524104895).

1850168350013 is an equidigital number, since it uses as much as digits as its factorization.

1850168350013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524104894.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 1850168350013 in words is "one trillion, eight hundred fifty billion, one hundred sixty-eight million, three hundred fifty thousand, thirteen".