4681281869544 has 64 divisors (see below), whose sum is σ = 13956616765440. Its totient is φ = 1279356534720.

The previous prime is 4681281869527. The next prime is 4681281869569. The reversal of 4681281869544 is 4459681821864.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605752072 + ... + 605759799.

It is an arithmetic number, because the mean of its divisors is an integer number (218072136960).

Almost surely, 2^{4681281869544} is an apocalyptic number.

It is an amenable number.

4681281869544 is an abundant number, since it is smaller than the sum of its proper divisors (9275334895896).

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

4681281869544 is a wasteful number, since it uses less digits than its factorization.

4681281869544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211511910 (or 1211511906 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 66.

The spelling of 4681281869544 in words is "four trillion, six hundred eighty-one billion, two hundred eighty-one million, eight hundred sixty-nine thousand, five hundred forty-four".