429707969 has 2 divisors, whose sum is σ = 429707970. Its totient is φ = 429707968.

The previous prime is 429707951. The next prime is 429707983. The reversal of 429707969 is 969707924.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411602944 + 18105025 = 20288^2 + 4255^2 .

It is a cyclic number.

It is not a de Polignac number, because 429707969 - 2⁸ = 429707713 is a prime.

It is a super-2 number, since 2×429707969² = 369297877244209922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 429707969.

It is not a weakly prime, because it can be changed into another prime (429707909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214853984 + 214853985.

It is an arithmetic number, because the mean of its divisors is an integer number (214853985).

Almost surely, 2^429707969 is an apocalyptic number.

It is an amenable number.

429707969 is a deficient number, since it is larger than the sum of its proper divisors (1).

429707969 is an equidigital number, since it uses as much as digits as its factorization.

429707969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 429707969 is about 20729.3986646984. The cubic root of 429707969 is about 754.6133242104.

The spelling of 429707969 in words is "four hundred twenty-nine million, seven hundred seven thousand, nine hundred sixty-nine".