648246586711 has 4 divisors (see below), whose sum is σ = 648252444232. Its totient is φ = 648240729192.

The previous prime is 648246586679. The next prime is 648246586721. The reversal of 648246586711 is 117685642846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117685642846 = 2 ⋅58842821423.

It is a cyclic number.

It is not a de Polignac number, because 648246586711 - 2⁵ = 648246586679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648246586721) 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 in 3 ways as a sum of consecutive naturals, for example, 2759496 + ... + 2985181.

It is an arithmetic number, because the mean of its divisors is an integer number (162063111058).

Almost surely, 2^648246586711 is an apocalyptic number.

648246586711 is a deficient number, since it is larger than the sum of its proper divisors (5857521).

648246586711 is a wasteful number, since it uses less digits than its factorization.

648246586711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5857520.

The product of its digits is 15482880, while the sum is 58.

The spelling of 648246586711 in words is "six hundred forty-eight billion, two hundred forty-six million, five hundred eighty-six thousand, seven hundred eleven".