201403440433409 has 2 divisors, whose sum is σ = 201403440433410. Its totient is φ = 201403440433408.

The previous prime is 201403440433387. The next prime is 201403440433411. The reversal of 201403440433409 is 904334044304102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192884321358400 + 8519119075009 = 13888280^2 + 2918753^2 .

It is a cyclic number.

It is not a de Polignac number, because 201403440433409 - 2¹⁶ = 201403440367873 is a prime.

It is a super-2 number, since 2×201403440433409² (a number of 29 digits) contains 22 as substring.

Together with 201403440433411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201403440433109) 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, 100701720216704 + 100701720216705.

It is an arithmetic number, because the mean of its divisors is an integer number (100701720216705).

Almost surely, 2^{201403440433409} is an apocalyptic number.

It is an amenable number.

201403440433409 is a deficient number, since it is larger than the sum of its proper divisors (1).

201403440433409 is an equidigital number, since it uses as much as digits as its factorization.

201403440433409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 201403440433409 in words is "two hundred one trillion, four hundred three billion, four hundred forty million, four hundred thirty-three thousand, four hundred nine".