2107247685 has 16 divisors (see below), whose sum is σ = 3453831360. Its totient is φ = 1096453760.

The previous prime is 2107247683. The next prime is 2107247713. The reversal of 2107247685 is 5867427012.

It is not a de Polignac number, because 2107247685 - 2¹ = 2107247683 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107247683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712595 + ... + 1713824.

It is an arithmetic number, because the mean of its divisors is an integer number (215864460).

Almost surely, 2^2107247685 is an apocalyptic number.

It is an amenable number.

2107247685 is a deficient number, since it is larger than the sum of its proper divisors (1346583675).

2107247685 is a wasteful number, since it uses less digits than its factorization.

2107247685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426468.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 2107247685 is about 45904.7675628578. The cubic root of 2107247685 is about 1282.0506852186.

The spelling of 2107247685 in words is "two billion, one hundred seven million, two hundred forty-seven thousand, six hundred eighty-five".