42858707109 has 16 divisors (see below), whose sum is σ = 59003043840. Its totient is φ = 27643880880.

The previous prime is 42858707083. The next prime is 42858707149. The reversal of 42858707109 is 90170785824.

It is not a de Polignac number, because 42858707109 - 2²³ = 42850318501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42858707149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331384 + ... + 442190.

It is an arithmetic number, because the mean of its divisors is an integer number (3687690240).

Almost surely, 2^42858707109 is an apocalyptic number.

It is an amenable number.

42858707109 is a deficient number, since it is larger than the sum of its proper divisors (16144336731).

42858707109 is a wasteful number, since it uses less digits than its factorization.

42858707109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115000.

The product of its (nonzero) digits is 1128960, while the sum is 51.

The spelling of 42858707109 in words is "forty-two billion, eight hundred fifty-eight million, seven hundred seven thousand, one hundred nine".