2119400099 has 4 divisors (see below), whose sum is σ = 2121557136. Its totient is φ = 2117243064.

The previous prime is 2119400083. The next prime is 2119400111. The reversal of 2119400099 is 9900049112.

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 2119400099 - 2⁴ = 2119400083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119400029) 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 in 3 ways as a sum of consecutive naturals, for example, 1077044 + ... + 1079009.

It is an arithmetic number, because the mean of its divisors is an integer number (530389284).

Almost surely, 2^2119400099 is an apocalyptic number.

2119400099 is a deficient number, since it is larger than the sum of its proper divisors (2157037).

2119400099 is an equidigital number, since it uses as much as digits as its factorization.

2119400099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157036.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 2119400099 is about 46036.9427633938. The cubic root of 2119400099 is about 1284.5104746121.

The spelling of 2119400099 in words is "two billion, one hundred nineteen million, four hundred thousand, ninety-nine".