2828847409 has 2 divisors, whose sum is σ = 2828847410. Its totient is φ = 2828847408.

The previous prime is 2828847383. The next prime is 2828847419. The reversal of 2828847409 is 9047488282.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2782879009 + 45968400 = 52753^2 + 6780^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828847409 - 2¹⁷ = 2828716337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2828847419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414423704 + 1414423705.

It is an arithmetic number, because the mean of its divisors is an integer number (1414423705).

Almost surely, 2^2828847409 is an apocalyptic number.

It is an amenable number.

2828847409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2828847409 is an equidigital number, since it uses as much as digits as its factorization.

2828847409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2064384, while the sum is 52.

The square root of 2828847409 is about 53186.9101283389. The cubic root of 2828847409 is about 1414.2836062795.

The spelling of 2828847409 in words is "two billion, eight hundred twenty-eight million, eight hundred forty-seven thousand, four hundred nine".