2898306881 has 2 divisors, whose sum is σ = 2898306882. Its totient is φ = 2898306880.

The previous prime is 2898306871. The next prime is 2898306883. The reversal of 2898306881 is 1886038982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1665945856 + 1232361025 = 40816^2 + 35105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2898306881 - 2¹⁴ = 2898290497 is a prime.

It is a super-2 number, since 2×2898306881² = 16800365552903896322, which contains 22 as substring.

Together with 2898306883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2898306883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449153440 + 1449153441.

It is an arithmetic number, because the mean of its divisors is an integer number (1449153441).

Almost surely, 2^2898306881 is an apocalyptic number.

It is an amenable number.

2898306881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2898306881 is an equidigital number, since it uses as much as digits as its factorization.

2898306881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 53.

The square root of 2898306881 is about 53835.9255609115. The cubic root of 2898306881 is about 1425.7655688917.

The spelling of 2898306881 in words is "two billion, eight hundred ninety-eight million, three hundred six thousand, eight hundred eighty-one".