648974479846 has 32 divisors (see below), whose sum is σ = 1213868351232. Its totient is φ = 252805160160.

The previous prime is 648974479843. The next prime is 648974479847.

648974479846 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648974479843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587020 + ... + 1281616.

It is an arithmetic number, because the mean of its divisors is an integer number (37933385976).

Almost surely, 2^648974479846 is an apocalyptic number.

648974479846 is a deficient number, since it is larger than the sum of its proper divisors (564893871386).

648974479846 is a wasteful number, since it uses less digits than its factorization.

648974479846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700684.

The product of its digits is 2341011456, while the sum is 76.

The spelling of 648974479846 in words is "six hundred forty-eight billion, nine hundred seventy-four million, four hundred seventy-nine thousand, eight hundred forty-six".