4867442127981 has 24 divisors (see below), whose sum is σ = 7059722375160. Its totient is φ = 3231595216896.

The previous prime is 4867442127979. The next prime is 4867442128013. The reversal of 4867442127981 is 1897212447684.

4867442127981 is a `hidden beast` number, since 4 + 8 + 67 + 4 + 421 + 2 + 79 + 81 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 201232988100 + 4666209139881 = 448590^2 + 2160141^2 .

It is not a de Polignac number, because 4867442127981 - 2¹ = 4867442127979 is a prime.

It is a super-2 number, since 2×4867442127981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4867442127931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9959371 + ... + 10436663.

It is an arithmetic number, because the mean of its divisors is an integer number (294155098965).

Almost surely, 2^{4867442127981} is an apocalyptic number.

It is an amenable number.

4867442127981 is a deficient number, since it is larger than the sum of its proper divisors (2192280247179).

4867442127981 is a wasteful number, since it uses less digits than its factorization.

4867442127981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481965 (or 481962 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 63.

The spelling of 4867442127981 in words is "four trillion, eight hundred sixty-seven billion, four hundred forty-two million, one hundred twenty-seven thousand, nine hundred eighty-one".