429551099 has 2 divisors, whose sum is σ = 429551100. Its totient is φ = 429551098.

The previous prime is 429551071. The next prime is 429551119. The reversal of 429551099 is 990155924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 429551099 - 2⁸ = 429550843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (429551009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214775549 + 214775550.

It is an arithmetic number, because the mean of its divisors is an integer number (214775550).

Almost surely, 2^429551099 is an apocalyptic number.

429551099 is a deficient number, since it is larger than the sum of its proper divisors (1).

429551099 is an equidigital number, since it uses as much as digits as its factorization.

429551099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 429551099 is about 20725.6145626613. The cubic root of 429551099 is about 754.5214861805.

The spelling of 429551099 in words is "four hundred twenty-nine million, five hundred fifty-one thousand, ninety-nine".