429599969 has 2 divisors, whose sum is σ = 429599970. Its totient is φ = 429599968.

The previous prime is 429599923. The next prime is 429599977. The reversal of 429599969 is 969995924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 364313569 + 65286400 = 19087^2 + 8080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429599969 is a prime.

It is a super-2 number, since 2×429599969² = 369112266729601922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (429599999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214799984 + 214799985.

It is an arithmetic number, because the mean of its divisors is an integer number (214799985).

Almost surely, 2^429599969 is an apocalyptic number.

It is an amenable number.

429599969 is a deficient number, since it is larger than the sum of its proper divisors (1).

429599969 is an equidigital number, since it uses as much as digits as its factorization.

429599969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14171760, while the sum is 62.

The square root of 429599969 is about 20726.7935050263. The cubic root of 429599969 is about 754.5500990486.

The spelling of 429599969 in words is "four hundred twenty-nine million, five hundred ninety-nine thousand, nine hundred sixty-nine".