210011429 has 2 divisors, whose sum is σ = 210011430. Its totient is φ = 210011428.

The previous prime is 210011411. The next prime is 210011443. The reversal of 210011429 is 924110012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189062500 + 20948929 = 13750^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 210011429 - 2¹² = 210007333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210011429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210011479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105005714 + 105005715.

It is an arithmetic number, because the mean of its divisors is an integer number (105005715).

Almost surely, 2^210011429 is an apocalyptic number.

It is an amenable number.

210011429 is a deficient number, since it is larger than the sum of its proper divisors (1).

210011429 is an equidigital number, since it uses as much as digits as its factorization.

210011429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 210011429 is about 14491.7710787881. The cubic root of 210011429 is about 594.4029781099.

The spelling of 210011429 in words is "two hundred ten million, eleven thousand, four hundred twenty-nine".