488395469 has 2 divisors, whose sum is σ = 488395470. Its totient is φ = 488395468.

The previous prime is 488395441. The next prime is 488395517. The reversal of 488395469 is 964593884.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479172100 + 9223369 = 21890^2 + 3037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488395469 is a prime.

It is a super-2 number, since 2×488395469² = 477060268279459922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488395429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244197734 + 244197735.

It is an arithmetic number, because the mean of its divisors is an integer number (244197735).

Almost surely, 2^488395469 is an apocalyptic number.

It is an amenable number.

488395469 is a deficient number, since it is larger than the sum of its proper divisors (1).

488395469 is an equidigital number, since it uses as much as digits as its factorization.

488395469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7464960, while the sum is 56.

The square root of 488395469 is about 22099.6712418986. The cubic root of 488395469 is about 787.5120516842.

The spelling of 488395469 in words is "four hundred eighty-eight million, three hundred ninety-five thousand, four hundred sixty-nine".