648305049967 has 2 divisors, whose sum is σ = 648305049968. Its totient is φ = 648305049966.

The previous prime is 648305049919. The next prime is 648305050021. The reversal of 648305049967 is 769940503846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648305049967 - 2³⁵ = 613945311599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648305046967) 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, 324152524983 + 324152524984.

It is an arithmetic number, because the mean of its divisors is an integer number (324152524984).

Almost surely, 2^648305049967 is an apocalyptic number.

648305049967 is a deficient number, since it is larger than the sum of its proper divisors (1).

648305049967 is an equidigital number, since it uses as much as digits as its factorization.

648305049967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 648305049967 in words is "six hundred forty-eight billion, three hundred five million, forty-nine thousand, nine hundred sixty-seven".