4486127781989 has 8 divisors (see below), whose sum is σ = 5292390379008. Its totient is φ = 3721211984880.

The previous prime is 4486127781929. The next prime is 4486127781991. The reversal of 4486127781989 is 9891877216844.

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

It is a cyclic number.

It is not a de Polignac number, because 4486127781989 - 2¹⁶ = 4486127716453 is a prime.

It is a super-2 number, since 2×4486127781989² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4486127781929) 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, 10336699742 + ... + 10336700175.

It is an arithmetic number, because the mean of its divisors is an integer number (661548797376).

Almost surely, 2^{4486127781989} is an apocalyptic number.

It is an amenable number.

4486127781989 is a deficient number, since it is larger than the sum of its proper divisors (806262597019).

4486127781989 is a wasteful number, since it uses less digits than its factorization.

4486127781989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673399955.

The product of its digits is 390168576, while the sum is 74.

The spelling of 4486127781989 in words is "four trillion, four hundred eighty-six billion, one hundred twenty-seven million, seven hundred eighty-one thousand, nine hundred eighty-nine".