2148810019 has 2 divisors, whose sum is σ = 2148810020. Its totient is φ = 2148810018.

The previous prime is 2148810011. The next prime is 2148810077. The reversal of 2148810019 is 9100188412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2148810019 - 2³ = 2148810011 is a prime.

It is a super-2 number, since 2×2148810019² = 9234768995509560722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2148810011) 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, 1074405009 + 1074405010.

It is an arithmetic number, because the mean of its divisors is an integer number (1074405010).

Almost surely, 2^2148810019 is an apocalyptic number.

2148810019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148810019 is an equidigital number, since it uses as much as digits as its factorization.

2148810019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 2148810019 is about 46355.2588063102. The cubic root of 2148810019 is about 1290.4247182323.

The spelling of 2148810019 in words is "two billion, one hundred forty-eight million, eight hundred ten thousand, nineteen".