2898384793861 has 2 divisors, whose sum is σ = 2898384793862. Its totient is φ = 2898384793860.

The previous prime is 2898384793859. The next prime is 2898384793921. The reversal of 2898384793861 is 1683974838982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1572593748961 + 1325791044900 = 1254031^2 + 1151430^2 .

It is a cyclic number.

It is not a de Polignac number, because 2898384793861 - 2¹ = 2898384793859 is a prime.

Together with 2898384793859, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2898384793361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449192396930 + 1449192396931.

It is an arithmetic number, because the mean of its divisors is an integer number (1449192396931).

Almost surely, 2^{2898384793861} is an apocalyptic number.

It is an amenable number.

2898384793861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2898384793861 is an equidigital number, since it uses as much as digits as its factorization.

2898384793861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1003290624, while the sum is 76.

The spelling of 2898384793861 in words is "two trillion, eight hundred ninety-eight billion, three hundred eighty-four million, seven hundred ninety-three thousand, eight hundred sixty-one".