2106694810 has 16 divisors (see below), whose sum is σ = 4136782752. Its totient is φ = 766070800.

The previous prime is 2106694801. The next prime is 2106694819. The reversal of 2106694810 is 184966012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2106694801) and next prime (2106694819).

It is a super-2 number, since 2×2106694810² = 8876326044961872200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2106694810.

It is not an unprimeable number, because it can be changed into a prime (2106694819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9575776 + ... + 9575995.

It is an arithmetic number, because the mean of its divisors is an integer number (258548922).

Almost surely, 2^2106694810 is an apocalyptic number.

2106694810 is a deficient number, since it is larger than the sum of its proper divisors (2030087942).

2106694810 is a wasteful number, since it uses less digits than its factorization.

2106694810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19151789.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 2106694810 is about 45898.7451898197. The cubic root of 2106694810 is about 1281.9385522569.

The spelling of 2106694810 in words is "two billion, one hundred six million, six hundred ninety-four thousand, eight hundred ten".