2113778599 has 2 divisors, whose sum is σ = 2113778600. Its totient is φ = 2113778598.

The previous prime is 2113778581. The next prime is 2113778609. The reversal of 2113778599 is 9958773112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2113778599 - 2⁵ = 2113778567 is a prime.

It is a super-3 number, since 3×2113778599³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113778539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056889299 + 1056889300.

It is an arithmetic number, because the mean of its divisors is an integer number (1056889300).

Almost surely, 2^2113778599 is an apocalyptic number.

2113778599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113778599 is an equidigital number, since it uses as much as digits as its factorization.

2113778599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 52.

The square root of 2113778599 is about 45975.8479965297. The cubic root of 2113778599 is about 1283.3737898680.

The spelling of 2113778599 in words is "two billion, one hundred thirteen million, seven hundred seventy-eight thousand, five hundred ninety-nine".