42958193842 has 8 divisors (see below), whose sum is σ = 66178839276. Its totient is φ = 20898580752.

The previous prime is 42958193753. The next prime is 42958193867. The reversal of 42958193842 is 24839185924.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40240761201 + 2717432641 = 200601^2 + 52129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290257993 + ... + 290258140.

Almost surely, 2^42958193842 is an apocalyptic number.

42958193842 is a deficient number, since it is larger than the sum of its proper divisors (23220645434).

42958193842 is a wasteful number, since it uses less digits than its factorization.

42958193842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580516172.

The product of its digits is 4976640, while the sum is 55.

The spelling of 42958193842 in words is "forty-two billion, nine hundred fifty-eight million, one hundred ninety-three thousand, eight hundred forty-two".