488818669 has 2 divisors, whose sum is σ = 488818670. Its totient is φ = 488818668.

The previous prime is 488818619. The next prime is 488818679. The reversal of 488818669 is 966818884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280160644 + 208658025 = 16738^2 + 14445^2 .

It is a cyclic number.

It is not a de Polignac number, because 488818669 - 2⁹ = 488818157 is a prime.

It is a super-2 number, since 2×488818669² = 477887382325863122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (488818619) 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, 244409334 + 244409335.

It is an arithmetic number, because the mean of its divisors is an integer number (244409335).

Almost surely, 2^488818669 is an apocalyptic number.

It is an amenable number.

488818669 is a deficient number, since it is larger than the sum of its proper divisors (1).

488818669 is an equidigital number, since it uses as much as digits as its factorization.

488818669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 58.

The square root of 488818669 is about 22109.2439716965. The cubic root of 488818669 is about 787.7394486098.

The spelling of 488818669 in words is "four hundred eighty-eight million, eight hundred eighteen thousand, six hundred sixty-nine".