2850745921 has 8 divisors (see below), whose sum is σ = 3043051200. Its totient is φ = 2662667280.

The previous prime is 2850745871. The next prime is 2850745939. The reversal of 2850745921 is 1295470582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2850745921 - 2¹¹ = 2850743873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2850745981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055266 + ... + 1057963.

It is an arithmetic number, because the mean of its divisors is an integer number (380381400).

Almost surely, 2^2850745921 is an apocalyptic number.

It is an amenable number.

2850745921 is a deficient number, since it is larger than the sum of its proper divisors (192305279).

2850745921 is a wasteful number, since it uses less digits than its factorization.

2850745921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113319.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 2850745921 is about 53392.3769933499. The cubic root of 2850745921 is about 1417.9236202454.

The spelling of 2850745921 in words is "two billion, eight hundred fifty million, seven hundred forty-five thousand, nine hundred twenty-one".