619108211873 has 2 divisors, whose sum is σ = 619108211874. Its totient is φ = 619108211872.

The previous prime is 619108211867. The next prime is 619108211947. The reversal of 619108211873 is 378112801916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 612857253904 + 6250957969 = 782852^2 + 79063^2 .

It is a cyclic number.

It is not a de Polignac number, because 619108211873 - 2¹⁰ = 619108210849 is a prime.

It is not a weakly prime, because it can be changed into another prime (619108211803) 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, 309554105936 + 309554105937.

It is an arithmetic number, because the mean of its divisors is an integer number (309554105937).

Almost surely, 2^619108211873 is an apocalyptic number.

It is an amenable number.

619108211873 is a deficient number, since it is larger than the sum of its proper divisors (1).

619108211873 is an equidigital number, since it uses as much as digits as its factorization.

619108211873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 619108211873 in words is "six hundred nineteen billion, one hundred eight million, two hundred eleven thousand, eight hundred seventy-three".