488274649 has 2 divisors, whose sum is σ = 488274650. Its totient is φ = 488274648.

The previous prime is 488274599. The next prime is 488274671. The reversal of 488274649 is 946472884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459459225 + 28815424 = 21435^2 + 5368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488274649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 488274596 and 488274605.

It is not a weakly prime, because it can be changed into another prime (488274949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244137324 + 244137325.

It is an arithmetic number, because the mean of its divisors is an integer number (244137325).

Almost surely, 2^488274649 is an apocalyptic number.

It is an amenable number.

488274649 is a deficient number, since it is larger than the sum of its proper divisors (1).

488274649 is an equidigital number, since it uses as much as digits as its factorization.

488274649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3096576, while the sum is 52.

The square root of 488274649 is about 22096.9375479952. The cubic root of 488274649 is about 787.4471076931.

The spelling of 488274649 in words is "four hundred eighty-eight million, two hundred seventy-four thousand, six hundred forty-nine".