429530873 has 2 divisors, whose sum is σ = 429530874. Its totient is φ = 429530872.

The previous prime is 429530869. The next prime is 429530887. The reversal of 429530873 is 378035924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427331584 + 2199289 = 20672^2 + 1483^2 .

It is a cyclic number.

It is not a de Polignac number, because 429530873 - 2² = 429530869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 429530873.

It is not a weakly prime, because it can be changed into another prime (429530813) 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, 214765436 + 214765437.

It is an arithmetic number, because the mean of its divisors is an integer number (214765437).

Almost surely, 2^429530873 is an apocalyptic number.

It is an amenable number.

429530873 is a deficient number, since it is larger than the sum of its proper divisors (1).

429530873 is an equidigital number, since it uses as much as digits as its factorization.

429530873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 429530873 is about 20725.1266099872. The cubic root of 429530873 is about 754.5096434365.

The spelling of 429530873 in words is "four hundred twenty-nine million, five hundred thirty thousand, eight hundred seventy-three".