2819118881 has 2 divisors, whose sum is σ = 2819118882. Its totient is φ = 2819118880.

The previous prime is 2819118839. The next prime is 2819118893. The reversal of 2819118881 is 1888119182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2519136481 + 299982400 = 50191^2 + 17320^2 .

It is a cyclic number.

It is not a de Polignac number, because 2819118881 - 2¹⁴ = 2819102497 is a prime.

It is a super-2 number, since 2×2819118881² = 15894862530421384322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2819118481) 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 as a sum of consecutive naturals, namely, 1409559440 + 1409559441.

It is an arithmetic number, because the mean of its divisors is an integer number (1409559441).

Almost surely, 2^2819118881 is an apocalyptic number.

It is an amenable number.

2819118881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2819118881 is an equidigital number, since it uses as much as digits as its factorization.

2819118881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 47.

The square root of 2819118881 is about 53095.3753259170. The cubic root of 2819118881 is about 1412.6604834599.

The spelling of 2819118881 in words is "two billion, eight hundred nineteen million, one hundred eighteen thousand, eight hundred eighty-one".