429739253 has 2 divisors, whose sum is σ = 429739254. Its totient is φ = 429739252.

The previous prime is 429739241. The next prime is 429739309. The reversal of 429739253 is 352937924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332953009 + 96786244 = 18247^2 + 9838^2 .

It is a cyclic number.

It is not a de Polignac number, because 429739253 - 2²⁰ = 428690677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429739553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214869626 + 214869627.

It is an arithmetic number, because the mean of its divisors is an integer number (214869627).

Almost surely, 2^429739253 is an apocalyptic number.

It is an amenable number.

429739253 is a deficient number, since it is larger than the sum of its proper divisors (1).

429739253 is an equidigital number, since it uses as much as digits as its factorization.

429739253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 44.

The square root of 429739253 is about 20730.1532314645. The cubic root of 429739253 is about 754.6316364535.

The spelling of 429739253 in words is "four hundred twenty-nine million, seven hundred thirty-nine thousand, two hundred fifty-three".