4050668052845 has 4 divisors (see below), whose sum is σ = 4860801663420. Its totient is φ = 3240534442272.

The previous prime is 4050668052839. The next prime is 4050668052853. The reversal of 4050668052845 is 5482508660504.

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 3143568006121 + 907100046724 = 1773011^2 + 952418^2 .

It is a cyclic number.

It is not a de Polignac number, because 4050668052845 - 2⁸ = 4050668052589 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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405066805280 + ... + 405066805289.

It is an arithmetic number, because the mean of its divisors is an integer number (1215200415855).

Almost surely, 2^{4050668052845} is an apocalyptic number.

It is an amenable number.

4050668052845 is a deficient number, since it is larger than the sum of its proper divisors (810133610575).

4050668052845 is an equidigital number, since it uses as much as digits as its factorization.

4050668052845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810133610574.

The product of its (nonzero) digits is 9216000, while the sum is 53.

The spelling of 4050668052845 in words is "four trillion, fifty billion, six hundred sixty-eight million, fifty-two thousand, eight hundred forty-five".