2106346705 has 16 divisors (see below), whose sum is σ = 2651616000. Its totient is φ = 1604048320.

The previous prime is 2106346691. The next prime is 2106346721. The reversal of 2106346705 is 5076436012.

It is a happy number.

It is not a de Polignac number, because 2106346705 - 2⁷ = 2106346577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92005 + ... + 112594.

It is an arithmetic number, because the mean of its divisors is an integer number (165726000).

Almost surely, 2^2106346705 is an apocalyptic number.

It is an amenable number.

2106346705 is a deficient number, since it is larger than the sum of its proper divisors (545269295).

2106346705 is a wasteful number, since it uses less digits than its factorization.

2106346705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204704.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2106346705 is about 45894.9529360255. The cubic root of 2106346705 is about 1281.8679402570.

The spelling of 2106346705 in words is "two billion, one hundred six million, three hundred forty-six thousand, seven hundred five".