4190794645 has 4 divisors (see below), whose sum is σ = 5028953580. Its totient is φ = 3352635712.

The previous prime is 4190794637. The next prime is 4190794697. The reversal of 4190794645 is 5464970914.

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 3304065361 + 886729284 = 57481^2 + 29778^2 .

It is a cyclic number.

It is not a de Polignac number, because 4190794645 - 2³ = 4190794637 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 419079460 + ... + 419079469.

It is an arithmetic number, because the mean of its divisors is an integer number (1257238395).

Almost surely, 2^4190794645 is an apocalyptic number.

It is an amenable number.

4190794645 is a deficient number, since it is larger than the sum of its proper divisors (838158935).

4190794645 is an equidigital number, since it uses as much as digits as its factorization.

4190794645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838158934.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 4190794645 is about 64736.3471706583. The cubic root of 4190794645 is about 1612.2490390841.

The spelling of 4190794645 in words is "four billion, one hundred ninety million, seven hundred ninety-four thousand, six hundred forty-five".