201042433961 has 2 divisors, whose sum is σ = 201042433962. Its totient is φ = 201042433960.

The previous prime is 201042433951. The next prime is 201042433987. The reversal of 201042433961 is 169334240102.

201042433961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101789712025 + 99252721936 = 319045^2 + 315044^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201042433961 is a prime.

It is a super-2 number, since 2×201042433961² (a number of 23 digits) contains 22 as substring.

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 (201042433951) 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, 100521216980 + 100521216981.

It is an arithmetic number, because the mean of its divisors is an integer number (100521216981).

Almost surely, 2^201042433961 is an apocalyptic number.

It is an amenable number.

201042433961 is a deficient number, since it is larger than the sum of its proper divisors (1).

201042433961 is an equidigital number, since it uses as much as digits as its factorization.

201042433961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 201042433961 in words is "two hundred one billion, forty-two million, four hundred thirty-three thousand, nine hundred sixty-one".