469499729 has 2 divisors, whose sum is σ = 469499730. Its totient is φ = 469499728.

The previous prime is 469499669. The next prime is 469499731. The reversal of 469499729 is 927994964.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461089729 + 8410000 = 21473^2 + 2900^2 .

It is a cyclic number.

It is not a de Polignac number, because 469499729 - 2¹⁶ = 469434193 is a prime.

It is a Sophie Germain prime.

Together with 469499731, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (469499749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234749864 + 234749865.

It is an arithmetic number, because the mean of its divisors is an integer number (234749865).

Almost surely, 2^469499729 is an apocalyptic number.

It is an amenable number.

469499729 is a deficient number, since it is larger than the sum of its proper divisors (1).

469499729 is an equidigital number, since it uses as much as digits as its factorization.

469499729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 59.

The square root of 469499729 is about 21667.9424265434. The cubic root of 469499729 is about 777.2220538532. Note that the first 3 decimals are identical.

The spelling of 469499729 in words is "four hundred sixty-nine million, four hundred ninety-nine thousand, seven hundred twenty-nine".