488149457 has 2 divisors, whose sum is σ = 488149458. Its totient is φ = 488149456.

The previous prime is 488149439. The next prime is 488149469. The reversal of 488149457 is 754941884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480881041 + 7268416 = 21929^2 + 2696^2 .

It is a cyclic number.

It is not a de Polignac number, because 488149457 - 2⁶ = 488149393 is a prime.

It is not a weakly prime, because it can be changed into another prime (488949457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244074728 + 244074729.

It is an arithmetic number, because the mean of its divisors is an integer number (244074729).

Almost surely, 2^488149457 is an apocalyptic number.

It is an amenable number.

488149457 is a deficient number, since it is larger than the sum of its proper divisors (1).

488149457 is an equidigital number, since it uses as much as digits as its factorization.

488149457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 50.

The square root of 488149457 is about 22094.1045756555. The cubic root of 488149457 is about 787.3798023318.

The spelling of 488149457 in words is "four hundred eighty-eight million, one hundred forty-nine thousand, four hundred fifty-seven".