648248240699 has 2 divisors, whose sum is σ = 648248240700. Its totient is φ = 648248240698.

The previous prime is 648248240611. The next prime is 648248240729. The reversal of 648248240699 is 996042842846.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 648248240699 - 2²⁸ = 647979805243 is a prime.

It is not a weakly prime, because it can be changed into another prime (648248240399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324124120349 + 324124120350.

It is an arithmetic number, because the mean of its divisors is an integer number (324124120350).

Almost surely, 2^648248240699 is an apocalyptic number.

648248240699 is a deficient number, since it is larger than the sum of its proper divisors (1).

648248240699 is an equidigital number, since it uses as much as digits as its factorization.

648248240699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 648248240699 in words is "six hundred forty-eight billion, two hundred forty-eight million, two hundred forty thousand, six hundred ninety-nine".