42842663891329 has 16 divisors (see below), whose sum is σ = 43679644632000. Its totient is φ = 42006749826496.

The previous prime is 42842663891323. The next prime is 42842663891353. The reversal of 42842663891329 is 92319836624824.

It is a cyclic number.

It is not a de Polignac number, because 42842663891329 - 2²³ = 42842655502721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42842663891323) 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, 839056002 + ... + 839107060.

It is an arithmetic number, because the mean of its divisors is an integer number (2729977789500).

Almost surely, 2^{42842663891329} is an apocalyptic number.

It is an amenable number.

42842663891329 is a deficient number, since it is larger than the sum of its proper divisors (836980740671).

42842663891329 is a wasteful number, since it uses less digits than its factorization.

42842663891329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61184.

The product of its digits is 214990848, while the sum is 67.

The spelling of 42842663891329 in words is "forty-two trillion, eight hundred forty-two billion, six hundred sixty-three million, eight hundred ninety-one thousand, three hundred twenty-nine".