42353610205 has 4 divisors (see below), whose sum is σ = 50824332252. Its totient is φ = 33882888160.

The previous prime is 42353610181. The next prime is 42353610217. The reversal of 42353610205 is 50201635324.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12583903684 + 29769706521 = 112178^2 + 172539^2 .

It is not a de Polignac number, because 42353610205 - 2¹³ = 42353602013 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4235361016 + ... + 4235361025.

It is an arithmetic number, because the mean of its divisors is an integer number (12706083063).

Almost surely, 2^42353610205 is an apocalyptic number.

It is an amenable number.

42353610205 is a deficient number, since it is larger than the sum of its proper divisors (8470722047).

42353610205 is an equidigital number, since it uses as much as digits as its factorization.

42353610205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8470722046.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 42353610205 in words is "forty-two billion, three hundred fifty-three million, six hundred ten thousand, two hundred five".