42239354687 has 8 divisors (see below), whose sum is σ = 42627921504. Its totient is φ = 41851047168.

The previous prime is 42239354671. The next prime is 42239354701. The reversal of 42239354687 is 78645393224.

It is a happy number.

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 42239354687 - 2⁴ = 42239354671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42239350687) 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, 270398 + ... + 396980.

It is an arithmetic number, because the mean of its divisors is an integer number (5328490188).

Almost surely, 2^42239354687 is an apocalyptic number.

42239354687 is a deficient number, since it is larger than the sum of its proper divisors (388566817).

42239354687 is a wasteful number, since it uses less digits than its factorization.

42239354687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129649.

The product of its digits is 8709120, while the sum is 53.

The spelling of 42239354687 in words is "forty-two billion, two hundred thirty-nine million, three hundred fifty-four thousand, six hundred eighty-seven".