648314184443563 has 4 divisors (see below), whose sum is σ = 707251837574808. Its totient is φ = 589376531312320.

The previous prime is 648314184443501. The next prime is 648314184443591. The reversal of 648314184443563 is 365344481413846.

648314184443563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-648314184443563 is a prime.

It is a super-2 number, since 2×648314184443563² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 648314184443495 and 648314184443504.

It is not an unprimeable number, because it can be changed into a prime (648314184443963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29468826565606 + ... + 29468826565627.

It is an arithmetic number, because the mean of its divisors is an integer number (176812959393702).

Almost surely, 2^{648314184443563} is an apocalyptic number.

648314184443563 is a deficient number, since it is larger than the sum of its proper divisors (58937653131245).

648314184443563 is a wasteful number, since it uses less digits than its factorization.

648314184443563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58937653131244.

The product of its digits is 318504960, while the sum is 64.

The spelling of 648314184443563 in words is "six hundred forty-eight trillion, three hundred fourteen billion, one hundred eighty-four million, four hundred forty-three thousand, five hundred sixty-three".