201269693 has 2 divisors, whose sum is σ = 201269694. Its totient is φ = 201269692.

The previous prime is 201269689. The next prime is 201269729. The reversal of 201269693 is 396962102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154306084 + 46963609 = 12422^2 + 6853^2 .

It is a cyclic number.

It is not a de Polignac number, because 201269693 - 2² = 201269689 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 (201269623) 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, 100634846 + 100634847.

It is an arithmetic number, because the mean of its divisors is an integer number (100634847).

Almost surely, 2^201269693 is an apocalyptic number.

It is an amenable number.

201269693 is a deficient number, since it is larger than the sum of its proper divisors (1).

201269693 is an equidigital number, since it uses as much as digits as its factorization.

201269693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 201269693 is about 14186.9550291809. The cubic root of 201269693 is about 586.0384729756.

The spelling of 201269693 in words is "two hundred one million, two hundred sixty-nine thousand, six hundred ninety-three".