2119766313899 has 4 divisors (see below), whose sum is σ = 2282825261136. Its totient is φ = 1956707366664.

The previous prime is 2119766313877. The next prime is 2119766313911. The reversal of 2119766313899 is 9983136679112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2119766313899 - 2²⁴ = 2119749536683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119766313809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81529473599 + ... + 81529473624.

It is an arithmetic number, because the mean of its divisors is an integer number (570706315284).

Almost surely, 2^{2119766313899} is an apocalyptic number.

2119766313899 is a deficient number, since it is larger than the sum of its proper divisors (163058947237).

2119766313899 is a wasteful number, since it uses less digits than its factorization.

2119766313899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163058947236.

The product of its digits is 26453952, while the sum is 65.

The spelling of 2119766313899 in words is "two trillion, one hundred nineteen billion, seven hundred sixty-six million, three hundred thirteen thousand, eight hundred ninety-nine".