488293409 has 2 divisors, whose sum is σ = 488293410. Its totient is φ = 488293408.

The previous prime is 488293361. The next prime is 488293411. The reversal of 488293409 is 904392884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331968400 + 156325009 = 18220^2 + 12503^2 .

It is a cyclic number.

It is not a de Polignac number, because 488293409 - 2⁸ = 488293153 is a prime.

Together with 488293411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (488293469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244146704 + 244146705.

It is an arithmetic number, because the mean of its divisors is an integer number (244146705).

Almost surely, 2^488293409 is an apocalyptic number.

It is an amenable number.

488293409 is a deficient number, since it is larger than the sum of its proper divisors (1).

488293409 is an equidigital number, since it uses as much as digits as its factorization.

488293409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 488293409 is about 22097.3620371301. The cubic root of 488293409 is about 787.4571923989.

The spelling of 488293409 in words is "four hundred eighty-eight million, two hundred ninety-three thousand, four hundred nine".