429807431 has 2 divisors, whose sum is σ = 429807432. Its totient is φ = 429807430.

The previous prime is 429807401. The next prime is 429807437. The reversal of 429807431 is 134708924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 429807431 - 2¹⁸ = 429545287 is a prime.

It is a super-2 number, since 2×429807431² = 369468855485639522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429807437) 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, 214903715 + 214903716.

It is an arithmetic number, because the mean of its divisors is an integer number (214903716).

Almost surely, 2^429807431 is an apocalyptic number.

429807431 is a deficient number, since it is larger than the sum of its proper divisors (1).

429807431 is an equidigital number, since it uses as much as digits as its factorization.

429807431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 429807431 is about 20731.7975824577. The cubic root of 429807431 is about 754.6715417021.

The spelling of 429807431 in words is "four hundred twenty-nine million, eight hundred seven thousand, four hundred thirty-one".