469458809 has 2 divisors, whose sum is σ = 469458810. Its totient is φ = 469458808.

The previous prime is 469458779. The next prime is 469458817. The reversal of 469458809 is 908854964.

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., 449567209 + 19891600 = 21203^2 + 4460^2 .

It is a cyclic number.

It is not a de Polignac number, because 469458809 - 2²⁸ = 201023353 is a prime.

It is not a weakly prime, because it can be changed into another prime (469451809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234729404 + 234729405.

It is an arithmetic number, because the mean of its divisors is an integer number (234729405).

Almost surely, 2^469458809 is an apocalyptic number.

It is an amenable number.

469458809 is a deficient number, since it is larger than the sum of its proper divisors (1).

469458809 is an equidigital number, since it uses as much as digits as its factorization.

469458809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The square root of 469458809 is about 21666.9981538745. The cubic root of 469458809 is about 777.1994731867.

The spelling of 469458809 in words is "four hundred sixty-nine million, four hundred fifty-eight thousand, eight hundred nine".