4281781188673 has 8 divisors (see below), whose sum is σ = 4509031101120. Its totient is φ = 4054720577040.

The previous prime is 4281781188623. The next prime is 4281781188691. The reversal of 4281781188673 is 3768811871824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4281781188673 - 2⁹ = 4281781188161 is a prime.

It is a super-3 number, since 3×4281781188673³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4281781188623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47278765 + ... + 47369242.

It is an arithmetic number, because the mean of its divisors is an integer number (563628887640).

Almost surely, 2^{4281781188673} is an apocalyptic number.

It is an amenable number.

4281781188673 is a deficient number, since it is larger than the sum of its proper divisors (227249912447).

4281781188673 is a wasteful number, since it uses less digits than its factorization.

4281781188673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94650407.

The product of its digits is 28901376, while the sum is 64.

The spelling of 4281781188673 in words is "four trillion, two hundred eighty-one billion, seven hundred eighty-one million, one hundred eighty-eight thousand, six hundred seventy-three".