201403440367873 has 2 divisors, whose sum is σ = 201403440367874. Its totient is φ = 201403440367872.

The previous prime is 201403440367783. The next prime is 201403440367901. The reversal of 201403440367873 is 378763044304102.

Together with previous prime (201403440367783) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183853314799504 + 17550125568369 = 13559252^2 + 4189287^2 .

It is a cyclic number.

It is not a de Polignac number, because 201403440367873 - 2⁴¹ = 199204417112321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201403440367873.

It is not a weakly prime, because it can be changed into another prime (201403440361873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100701720183936 + 100701720183937.

It is an arithmetic number, because the mean of its divisors is an integer number (100701720183937).

Almost surely, 2^{201403440367873} is an apocalyptic number.

It is an amenable number.

201403440367873 is a deficient number, since it is larger than the sum of its proper divisors (1).

201403440367873 is an equidigital number, since it uses as much as digits as its factorization.

201403440367873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8128512, while the sum is 52.

The spelling of 201403440367873 in words is "two hundred one trillion, four hundred three billion, four hundred forty million, three hundred sixty-seven thousand, eight hundred seventy-three".