2119441813 has 2 divisors, whose sum is σ = 2119441814. Its totient is φ = 2119441812.

The previous prime is 2119441801. The next prime is 2119441843. The reversal of 2119441813 is 3181449112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1916863524 + 202578289 = 43782^2 + 14233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119441813 - 2⁵ = 2119441781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119441843) 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, 1059720906 + 1059720907.

It is an arithmetic number, because the mean of its divisors is an integer number (1059720907).

Almost surely, 2^2119441813 is an apocalyptic number.

It is an amenable number.

2119441813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119441813 is an equidigital number, since it uses as much as digits as its factorization.

2119441813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 2119441813 is about 46037.3958103627. The cubic root of 2119441813 is about 1284.5189017952.

The spelling of 2119441813 in words is "two billion, one hundred nineteen million, four hundred forty-one thousand, eight hundred thirteen".