2680281613644 has 96 divisors (see below), whose sum is σ = 6966716734656. Its totient is φ = 798191493120.

The previous prime is 2680281613589. The next prime is 2680281613679. The reversal of 2680281613644 is 4463161820862.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4020999 + ... + 4639934.

It is an arithmetic number, because the mean of its divisors is an integer number (72569965986).

Almost surely, 2^{2680281613644} is an apocalyptic number.

It is an amenable number.

2680281613644 is an abundant number, since it is smaller than the sum of its proper divisors (4286435121012).

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

2680281613644 is a wasteful number, since it uses less digits than its factorization.

2680281613644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8661035 (or 8661033 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 2680281613644 in words is "two trillion, six hundred eighty billion, two hundred eighty-one million, six hundred thirteen thousand, six hundred forty-four".