2100070916 has 6 divisors (see below), whose sum is σ = 3675124110. Its totient is φ = 1050035456.

The previous prime is 2100070909. The next prime is 2100070919. The reversal of 2100070916 is 6190700012.

It can be written as a sum of positive squares in only one way, i.e., 1980606016 + 119464900 = 44504^2 + 10930^2 .

It is not an unprimeable number, because it can be changed into a prime (2100070919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262508861 + ... + 262508868.

It is an arithmetic number, because the mean of its divisors is an integer number (612520685).

Almost surely, 2^2100070916 is an apocalyptic number.

It is an amenable number.

2100070916 is a deficient number, since it is larger than the sum of its proper divisors (1575053194).

2100070916 is a wasteful number, since it uses less digits than its factorization.

2100070916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525017733 (or 525017731 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 2100070916 is about 45826.5307000214. The cubic root of 2100070916 is about 1280.5935796748.

Adding to 2100070916 its reverse (6190700012), we get a palindrome (8290770928).

The spelling of 2100070916 in words is "two billion, one hundred million, seventy thousand, nine hundred sixteen".