203441640761 has 2 divisors, whose sum is σ = 203441640762. Its totient is φ = 203441640760.

The previous prime is 203441640697. The next prime is 203441640769. The reversal of 203441640761 is 167046144302.

203441640761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194321390761 + 9120250000 = 440819^2 + 95500^2 .

It is a cyclic number.

It is not a de Polignac number, because 203441640761 - 2⁶ = 203441640697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (203441640769) 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, 101720820380 + 101720820381.

It is an arithmetic number, because the mean of its divisors is an integer number (101720820381).

Almost surely, 2^203441640761 is an apocalyptic number.

It is an amenable number.

203441640761 is a deficient number, since it is larger than the sum of its proper divisors (1).

203441640761 is an equidigital number, since it uses as much as digits as its factorization.

203441640761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 203441640761 in words is "two hundred three billion, four hundred forty-one million, six hundred forty thousand, seven hundred sixty-one".