648853463 has 2 divisors, whose sum is σ = 648853464. Its totient is φ = 648853462.

The previous prime is 648853459. The next prime is 648853487. The reversal of 648853463 is 364358846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648853463 - 2² = 648853459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648853663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324426731 + 324426732.

It is an arithmetic number, because the mean of its divisors is an integer number (324426732).

Almost surely, 2^648853463 is an apocalyptic number.

648853463 is a deficient number, since it is larger than the sum of its proper divisors (1).

648853463 is an equidigital number, since it uses as much as digits as its factorization.

648853463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1658880, while the sum is 47.

The square root of 648853463 is about 25472.6022031515. The cubic root of 648853463 is about 865.7294849753.

The spelling of 648853463 in words is "six hundred forty-eight million, eight hundred fifty-three thousand, four hundred sixty-three".