2845048921 has 27 divisors (see below), whose sum is σ = 3395363517. Its totient is φ = 2381052960.

The previous prime is 2845048919. The next prime is 2845048931. The reversal of 2845048921 is 1298405482.

The square root of 2845048921 is 53339.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 329023321 + 2516025600 = 18139^2 + 50160^2 .

It is not a de Polignac number, because 2845048921 - 2¹ = 2845048919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2845048931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7627291 + ... + 7627663.

Almost surely, 2^2845048921 is an apocalyptic number.

2845048921 is the 53339-th square number.

2845048921 is the 26670-th centered octagonal number.

It is an amenable number.

2845048921 is a deficient number, since it is larger than the sum of its proper divisors (550314596).

2845048921 is an equidigital number, since it uses as much as digits as its factorization.

2845048921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The cubic root of 2845048921 is about 1416.9784526645.

It can be divided in two parts, 2845048 and 921, that added together give a square (2845969 = 1687²).

The spelling of 2845048921 in words is "two billion, eight hundred forty-five million, forty-eight thousand, nine hundred twenty-one".