42939178913 has 8 divisors (see below), whose sum is σ = 44153053632. Its totient is φ = 41728112496.

The previous prime is 42939178907. The next prime is 42939178937. The reversal of 42939178913 is 31987193924.

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 42939178913 - 2³⁴ = 25759309729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42939178903) 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, 671045 + ... + 732242.

It is an arithmetic number, because the mean of its divisors is an integer number (5519131704).

Almost surely, 2^42939178913 is an apocalyptic number.

It is an amenable number.

42939178913 is a deficient number, since it is larger than the sum of its proper divisors (1213874719).

42939178913 is a wasteful number, since it uses less digits than its factorization.

42939178913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404151.

The product of its digits is 2939328, while the sum is 56.

The spelling of 42939178913 in words is "forty-two billion, nine hundred thirty-nine million, one hundred seventy-eight thousand, nine hundred thirteen".