429270869 has 2 divisors, whose sum is σ = 429270870. Its totient is φ = 429270868.

The previous prime is 429270833. The next prime is 429270883. The reversal of 429270869 is 968072924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221622769 + 207648100 = 14887^2 + 14410^2 .

It is a cyclic number.

It is not a de Polignac number, because 429270869 - 2²⁰ = 428222293 is a prime.

It is a super-2 number, since 2×429270869² = 368546957944030322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429270169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214635434 + 214635435.

It is an arithmetic number, because the mean of its divisors is an integer number (214635435).

Almost surely, 2^429270869 is an apocalyptic number.

It is an amenable number.

429270869 is a deficient number, since it is larger than the sum of its proper divisors (1).

429270869 is an equidigital number, since it uses as much as digits as its factorization.

429270869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 429270869 is about 20718.8529846611. The cubic root of 429270869 is about 754.3573725645.

The spelling of 429270869 in words is "four hundred twenty-nine million, two hundred seventy thousand, eight hundred sixty-nine".