429997829 has 2 divisors, whose sum is σ = 429997830. Its totient is φ = 429997828.

The previous prime is 429997801. The next prime is 429997837. The reversal of 429997829 is 928799924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320481604 + 109516225 = 17902^2 + 10465^2 .

It is a cyclic number.

It is not a de Polignac number, because 429997829 - 2⁸ = 429997573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429997859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214998914 + 214998915.

It is an arithmetic number, because the mean of its divisors is an integer number (214998915).

Almost surely, 2^429997829 is an apocalyptic number.

It is an amenable number.

429997829 is a deficient number, since it is larger than the sum of its proper divisors (1).

429997829 is an equidigital number, since it uses as much as digits as its factorization.

429997829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 59.

The square root of 429997829 is about 20736.3890058033. The cubic root of 429997829 is about 754.7829611657.

The spelling of 429997829 in words is "four hundred twenty-nine million, nine hundred ninety-seven thousand, eight hundred twenty-nine".