2119383909 has 6 divisors (see below), whose sum is σ = 3061332326. Its totient is φ = 1412922600.

The previous prime is 2119383881. The next prime is 2119383923. The reversal of 2119383909 is 9093839112.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1126944900 + 992439009 = 33570^2 + 31503^2 .

It is not a de Polignac number, because 2119383909 - 2⁹ = 2119383397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119383109) 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 5 ways as a sum of consecutive naturals, for example, 117743542 + ... + 117743559.

Almost surely, 2^2119383909 is an apocalyptic number.

It is an amenable number.

2119383909 is a deficient number, since it is larger than the sum of its proper divisors (941948417).

2119383909 is a wasteful number, since it uses less digits than its factorization.

2119383909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235487107 (or 235487104 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 2119383909 is about 46036.7669260125. The cubic root of 2119383909 is about 1284.5072038316.

It can be divided in two parts, 2 and 119383909, that added together give a palindrome (119383911).

The spelling of 2119383909 in words is "two billion, one hundred nineteen million, three hundred eighty-three thousand, nine hundred nine".