2648812500667 has 4 divisors (see below), whose sum is σ = 2648987089920. Its totient is φ = 2648637911416.

The previous prime is 2648812500661. The next prime is 2648812500683. The reversal of 2648812500667 is 7660052188462.

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-2648812500667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648812500661) 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, 87271867 + ... + 87302212.

It is an arithmetic number, because the mean of its divisors is an integer number (662246772480).

Almost surely, 2^{2648812500667} is an apocalyptic number.

2648812500667 is a deficient number, since it is larger than the sum of its proper divisors (174589253).

2648812500667 is a wasteful number, since it uses less digits than its factorization.

2648812500667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174589252.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 2648812500667 in words is "two trillion, six hundred forty-eight billion, eight hundred twelve million, five hundred thousand, six hundred sixty-seven".