2481964647968 has 48 divisors (see below), whose sum is σ = 5281239864600. Its totient is φ = 1141386633216.

The previous prime is 2481964647917. The next prime is 2481964647979. The reversal of 2481964647968 is 8697464691842.

It can be written as a sum of positive squares in 4 ways, for example, as 1212403592464 + 1269561055504 = 1101092^2 + 1126748^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2481964647895 and 2481964647904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10654193 + ... + 10884656.

Almost surely, 2^{2481964647968} is an apocalyptic number.

It is an amenable number.

2481964647968 is an abundant number, since it is smaller than the sum of its proper divisors (2799275216632).

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

2481964647968 is a wasteful number, since it uses less digits than its factorization.

2481964647968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21539149 (or 21539141 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 74.

The spelling of 2481964647968 in words is "two trillion, four hundred eighty-one billion, nine hundred sixty-four million, six hundred forty-seven thousand, nine hundred sixty-eight".