4195193845 has 4 divisors (see below), whose sum is σ = 5034232620. Its totient is φ = 3356155072.

The previous prime is 4195193843. The next prime is 4195193867. The reversal of 4195193845 is 5483915914.

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 855972049 + 3339221796 = 29257^2 + 57786^2 .

It is a cyclic number.

It is not a de Polignac number, because 4195193845 - 2¹ = 4195193843 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4195193843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419519380 + ... + 419519389.

It is an arithmetic number, because the mean of its divisors is an integer number (1258558155).

Almost surely, 2^4195193845 is an apocalyptic number.

It is an amenable number.

4195193845 is a deficient number, since it is larger than the sum of its proper divisors (839038775).

4195193845 is an equidigital number, since it uses as much as digits as its factorization.

4195193845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839038774.

The product of its digits is 777600, while the sum is 49.

The square root of 4195193845 is about 64770.3160792041. The cubic root of 4195193845 is about 1612.8129834947.

The spelling of 4195193845 in words is "four billion, one hundred ninety-five million, one hundred ninety-three thousand, eight hundred forty-five".