42068879999 has 4 divisors (see below), whose sum is σ = 42095970336. Its totient is φ = 42041789664.

The previous prime is 42068879959. The next prime is 42068880011. The reversal of 42068879999 is 99997886024.

42068879999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42068879999 - 2²⁴ = 42052102783 is a prime.

It is a super-3 number, since 3×42068879999³ (a number of 33 digits) contains 333 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 (42068879939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13542839 + ... + 13545944.

It is an arithmetic number, because the mean of its divisors is an integer number (10523992584).

Almost surely, 2^42068879999 is an apocalyptic number.

42068879999 is a deficient number, since it is larger than the sum of its proper divisors (27090337).

42068879999 is a wasteful number, since it uses less digits than its factorization.

42068879999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27090336.

The product of its (nonzero) digits is 141087744, while the sum is 71.

The spelling of 42068879999 in words is "forty-two billion, sixty-eight million, eight hundred seventy-nine thousand, nine hundred ninety-nine".