4121322845 has 4 divisors (see below), whose sum is σ = 4945587420. Its totient is φ = 3297058272.

The previous prime is 4121322833. The next prime is 4121322883. The reversal of 4121322845 is 5482231214.

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 1889988676 + 2231334169 = 43474^2 + 47237^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121322845 - 2¹² = 4121318749 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, 412132280 + ... + 412132289.

It is an arithmetic number, because the mean of its divisors is an integer number (1236396855).

Almost surely, 2^4121322845 is an apocalyptic number.

It is an amenable number.

4121322845 is a deficient number, since it is larger than the sum of its proper divisors (824264575).

4121322845 is an equidigital number, since it uses as much as digits as its factorization.

4121322845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824264574.

The product of its digits is 15360, while the sum is 32.

The square root of 4121322845 is about 64197.5298979641. The cubic root of 4121322845 is about 1603.2904737927.

The spelling of 4121322845 in words is "four billion, one hundred twenty-one million, three hundred twenty-two thousand, eight hundred forty-five".