201358625729 has 2 divisors, whose sum is σ = 201358625730. Its totient is φ = 201358625728.

The previous prime is 201358625719. The next prime is 201358625779. The reversal of 201358625729 is 927526853102.

It is a happy number.

It is an a-pointer prime, because the next prime (201358625779) can be obtained adding 201358625729 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154606240000 + 46752385729 = 393200^2 + 216223^2 .

It is a cyclic number.

It is not a de Polignac number, because 201358625729 - 2³² = 197063658433 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 (201358625719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100679312864 + 100679312865.

It is an arithmetic number, because the mean of its divisors is an integer number (100679312865).

Almost surely, 2^201358625729 is an apocalyptic number.

It is an amenable number.

201358625729 is a deficient number, since it is larger than the sum of its proper divisors (1).

201358625729 is an equidigital number, since it uses as much as digits as its factorization.

201358625729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 201358625729 in words is "two hundred one billion, three hundred fifty-eight million, six hundred twenty-five thousand, seven hundred twenty-nine".