2804245771 has 4 divisors (see below), whose sum is σ = 2894705344. Its totient is φ = 2713786200.

The previous prime is 2804245753. The next prime is 2804245783. The reversal of 2804245771 is 1775424082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1775424082 = 2 ⋅887712041.

It is a cyclic number.

It is not a de Polignac number, because 2804245771 - 2⁹ = 2804245259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2804245711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45229740 + ... + 45229801.

It is an arithmetic number, because the mean of its divisors is an integer number (723676336).

Almost surely, 2^2804245771 is an apocalyptic number.

2804245771 is a deficient number, since it is larger than the sum of its proper divisors (90459573).

2804245771 is an equidigital number, since it uses as much as digits as its factorization.

2804245771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90459572.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 2804245771 is about 52955.1297892848. The cubic root of 2804245771 is about 1410.1717965479.

The spelling of 2804245771 in words is "two billion, eight hundred four million, two hundred forty-five thousand, seven hundred seventy-one".