2115349917 has 8 divisors (see below), whose sum is σ = 2825161920. Its totient is φ = 1407885600.

The previous prime is 2115349913. The next prime is 2115349919. The reversal of 2115349917 is 7199435112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2115349917 - 2² = 2115349913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115349913) 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 7 ways as a sum of consecutive naturals, for example, 584817 + ... + 588422.

It is an arithmetic number, because the mean of its divisors is an integer number (353145240).

Almost surely, 2^2115349917 is an apocalyptic number.

It is an amenable number.

2115349917 is a deficient number, since it is larger than the sum of its proper divisors (709812003).

2115349917 is a wasteful number, since it uses less digits than its factorization.

2115349917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173843.

The product of its digits is 68040, while the sum is 42.

The square root of 2115349917 is about 45992.9333376335. The cubic root of 2115349917 is about 1283.6917179698.

The spelling of 2115349917 in words is "two billion, one hundred fifteen million, three hundred forty-nine thousand, nine hundred seventeen".