2101702706 has 4 divisors (see below), whose sum is σ = 3152554062. Its totient is φ = 1050851352.

The previous prime is 2101702679. The next prime is 2101702747. The reversal of 2101702706 is 6072071012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1963287481 + 138415225 = 44309^2 + 11765^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525425675 + ... + 525425678.

Almost surely, 2^2101702706 is an apocalyptic number.

2101702706 is a deficient number, since it is larger than the sum of its proper divisors (1050851356).

2101702706 is a wasteful number, since it uses less digits than its factorization.

2101702706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050851355.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 2101702706 is about 45844.3312308076. The cubic root of 2101702706 is about 1280.9251746353.

Adding to 2101702706 its reverse (6072071012), we get a palindrome (8173773718).

The spelling of 2101702706 in words is "two billion, one hundred one million, seven hundred two thousand, seven hundred six".