2119597099 has 2 divisors, whose sum is σ = 2119597100. Its totient is φ = 2119597098.

The previous prime is 2119597091. The next prime is 2119597157. The reversal of 2119597099 is 9907959112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2119597099 - 2³ = 2119597091 is a prime.

It is not a weakly prime, because it can be changed into another prime (2119597091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059798549 + 1059798550.

It is an arithmetic number, because the mean of its divisors is an integer number (1059798550).

Almost surely, 2^2119597099 is an apocalyptic number.

2119597099 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119597099 is an equidigital number, since it uses as much as digits as its factorization.

2119597099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 459270, while the sum is 52.

The square root of 2119597099 is about 46039.0822997157. The cubic root of 2119597099 is about 1284.5502721510.

The spelling of 2119597099 in words is "two billion, one hundred nineteen million, five hundred ninety-seven thousand, ninety-nine".