201449429 has 2 divisors, whose sum is σ = 201449430. Its totient is φ = 201449428.

The previous prime is 201449411. The next prime is 201449459. The reversal of 201449429 is 924944102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105370225 + 96079204 = 10265^2 + 9802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201449429 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201449459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100724714 + 100724715.

It is an arithmetic number, because the mean of its divisors is an integer number (100724715).

Almost surely, 2^201449429 is an apocalyptic number.

It is an amenable number.

201449429 is a deficient number, since it is larger than the sum of its proper divisors (1).

201449429 is an equidigital number, since it uses as much as digits as its factorization.

201449429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 201449429 is about 14193.2881672994. The cubic root of 201449429 is about 586.2128672932.

The spelling of 201449429 in words is "two hundred one million, four hundred forty-nine thousand, four hundred twenty-nine".