6648755076323 has 4 divisors (see below), whose sum is σ = 6648760233360. Its totient is φ = 6648749919288.

The previous prime is 6648755076289. The next prime is 6648755076349. The reversal of 6648755076323 is 3236705578466.

It is a Cunningham number, because it is equal to 2578518²-1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6648755076323 - 2⁶ = 6648755076259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6648755076373) 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, 1289258 + ... + 3867776.

It is an arithmetic number, because the mean of its divisors is an integer number (1662190058340).

Almost surely, 2^{6648755076323} is an apocalyptic number.

6648755076323 is a deficient number, since it is larger than the sum of its proper divisors (5157037).

6648755076323 is a wasteful number, since it uses less digits than its factorization.

6648755076323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5157036.

The product of its (nonzero) digits is 152409600, while the sum is 62.

The spelling of 6648755076323 in words is "six trillion, six hundred forty-eight billion, seven hundred fifty-five million, seventy-six thousand, three hundred twenty-three".