2838861217 has 2 divisors, whose sum is σ = 2838861218. Its totient is φ = 2838861216.

The previous prime is 2838861209. The next prime is 2838861251. The reversal of 2838861217 is 7121688382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1596721681 + 1242139536 = 39959^2 + 35244^2 .

It is a cyclic number.

It is not a de Polignac number, because 2838861217 - 2³ = 2838861209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2838861257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1419430608 + 1419430609.

It is an arithmetic number, because the mean of its divisors is an integer number (1419430609).

Almost surely, 2^2838861217 is an apocalyptic number.

It is an amenable number.

2838861217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2838861217 is an equidigital number, since it uses as much as digits as its factorization.

2838861217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 46.

The square root of 2838861217 is about 53280.9648655127. The cubic root of 2838861217 is about 1415.9504437063.

The spelling of 2838861217 in words is "two billion, eight hundred thirty-eight million, eight hundred sixty-one thousand, two hundred seventeen".