488378369 has 2 divisors, whose sum is σ = 488378370. Its totient is φ = 488378368.

The previous prime is 488378321. The next prime is 488378381. The reversal of 488378369 is 963873884.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483472144 + 4906225 = 21988^2 + 2215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-488378369 is a prime.

It is a super-2 number, since 2×488378369² = 477026862614200322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (488378069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244189184 + 244189185.

It is an arithmetic number, because the mean of its divisors is an integer number (244189185).

Almost surely, 2^488378369 is an apocalyptic number.

It is an amenable number.

488378369 is a deficient number, since it is larger than the sum of its proper divisors (1).

488378369 is an equidigital number, since it uses as much as digits as its factorization.

488378369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The square root of 488378369 is about 22099.2843549288. The cubic root of 488378369 is about 787.5028606262.

The spelling of 488378369 in words is "four hundred eighty-eight million, three hundred seventy-eight thousand, three hundred sixty-nine".