42839306481 has 8 divisors (see below), whose sum is σ = 57262953664. Its totient is φ = 28487598480.

The previous prime is 42839306473. The next prime is 42839306513. The reversal of 42839306481 is 18460393824.

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

It is not a de Polignac number, because 42839306481 - 2³ = 42839306473 is a prime.

It is a super-2 number, since 2×42839306481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42839306481.

It is not an unprimeable number, because it can be changed into a prime (42839306381) 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, 17983405 + ... + 17985786.

It is an arithmetic number, because the mean of its divisors is an integer number (7157869208).

Almost surely, 2^42839306481 is an apocalyptic number.

It is an amenable number.

42839306481 is a deficient number, since it is larger than the sum of its proper divisors (14423647183).

42839306481 is a wasteful number, since it uses less digits than its factorization.

42839306481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35969591.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 42839306481 in words is "forty-two billion, eight hundred thirty-nine million, three hundred six thousand, four hundred eighty-one".