42350641345 has 4 divisors (see below), whose sum is σ = 50820769620. Its totient is φ = 33880513072.

The previous prime is 42350641327. The next prime is 42350641357. The reversal of 42350641345 is 54314605324.

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 27327726721 + 15022914624 = 165311^2 + 122568^2 .

It is a cyclic number.

It is not a de Polignac number, because 42350641345 - 2¹¹ = 42350639297 is a prime.

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, 4235064130 + ... + 4235064139.

It is an arithmetic number, because the mean of its divisors is an integer number (12705192405).

Almost surely, 2^42350641345 is an apocalyptic number.

It is an amenable number.

42350641345 is a deficient number, since it is larger than the sum of its proper divisors (8470128275).

42350641345 is an equidigital number, since it uses as much as digits as its factorization.

42350641345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470128274.

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 42350641345 in words is "forty-two billion, three hundred fifty million, six hundred forty-one thousand, three hundred forty-five".