2048649250668 has 24 divisors (see below), whose sum is σ = 5031770089920. Its totient is φ = 646941868560.

The previous prime is 2048649250643. The next prime is 2048649250721. The reversal of 2048649250668 is 8660529468402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4492651638 + ... + 4492652093.

It is an arithmetic number, because the mean of its divisors is an integer number (209657087080).

Almost surely, 2^{2048649250668} is an apocalyptic number.

It is an amenable number.

2048649250668 is an abundant number, since it is smaller than the sum of its proper divisors (2983120839252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2048649250668 is a wasteful number, since it uses less digits than its factorization.

2048649250668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8985303757 (or 8985303755 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 60.

The spelling of 2048649250668 in words is "two trillion, forty-eight billion, six hundred forty-nine million, two hundred fifty thousand, six hundred sixty-eight".