2119908717 has 24 divisors (see below), whose sum is σ = 3253404960. Its totient is φ = 1326365280.

The previous prime is 2119908697. The next prime is 2119908737. The reversal of 2119908717 is 7178099112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2119908697) and next prime (2119908737).

It is not a de Polignac number, because 2119908717 - 2¹¹ = 2119906669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119908737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39634 + ... + 76227.

It is an arithmetic number, because the mean of its divisors is an integer number (135558540).

Almost surely, 2^2119908717 is an apocalyptic number.

It is an amenable number.

2119908717 is a deficient number, since it is larger than the sum of its proper divisors (1133496243).

2119908717 is a wasteful number, since it uses less digits than its factorization.

2119908717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115993 (or 115990 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 45.

The square root of 2119908717 is about 46042.4664521787. The cubic root of 2119908717 is about 1284.6132195498.

The spelling of 2119908717 in words is "two billion, one hundred nineteen million, nine hundred eight thousand, seven hundred seventeen".