200545401461 has 2 divisors, whose sum is σ = 200545401462. Its totient is φ = 200545401460.

The previous prime is 200545401421. The next prime is 200545401673. The reversal of 200545401461 is 164104545002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174530937361 + 26014464100 = 417769^2 + 161290^2 .

It is a cyclic number.

It is not a de Polignac number, because 200545401461 - 2²² = 200541207157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200545401421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100272700730 + 100272700731.

It is an arithmetic number, because the mean of its divisors is an integer number (100272700731).

Almost surely, 2^200545401461 is an apocalyptic number.

It is an amenable number.

200545401461 is a deficient number, since it is larger than the sum of its proper divisors (1).

200545401461 is an equidigital number, since it uses as much as digits as its factorization.

200545401461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 200545401461 its reverse (164104545002), we get a palindrome (364649946463).

The spelling of 200545401461 in words is "two hundred billion, five hundred forty-five million, four hundred one thousand, four hundred sixty-one".