2119021799 has 2 divisors, whose sum is σ = 2119021800. Its totient is φ = 2119021798.

The previous prime is 2119021787. The next prime is 2119021829. The reversal of 2119021799 is 9971209112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2119021799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119021999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059510899 + 1059510900.

It is an arithmetic number, because the mean of its divisors is an integer number (1059510900).

Almost surely, 2^2119021799 is an apocalyptic number.

2119021799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119021799 is an equidigital number, since it uses as much as digits as its factorization.

2119021799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 2119021799 is about 46032.8339231901. The cubic root of 2119021799 is about 1284.4340443009.

The spelling of 2119021799 in words is "two billion, one hundred nineteen million, twenty-one thousand, seven hundred ninety-nine".