429645925409 has 2 divisors, whose sum is σ = 429645925410. Its totient is φ = 429645925408.

The previous prime is 429645925339. The next prime is 429645925469. The reversal of 429645925409 is 904529546924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428939854225 + 706071184 = 654935^2 + 26572^2 .

It is a cyclic number.

It is not a de Polignac number, because 429645925409 - 2³² = 425350958113 is a prime.

It is not a weakly prime, because it can be changed into another prime (429645925469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214822962704 + 214822962705.

It is an arithmetic number, because the mean of its divisors is an integer number (214822962705).

Almost surely, 2^429645925409 is an apocalyptic number.

It is an amenable number.

429645925409 is a deficient number, since it is larger than the sum of its proper divisors (1).

429645925409 is an equidigital number, since it uses as much as digits as its factorization.

429645925409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 429645925409 in words is "four hundred twenty-nine billion, six hundred forty-five million, nine hundred twenty-five thousand, four hundred nine".