2100000996 has 18 divisors (see below), whose sum is σ = 5308335942. Its totient is φ = 700000320.

The previous prime is 2100000961. The next prime is 2100000997. The reversal of 2100000996 is 6990000012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1255284900 + 844716096 = 35430^2 + 29064^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2100000997) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29166645 + ... + 29166716.

Almost surely, 2^2100000996 is an apocalyptic number.

It is an amenable number.

2100000996 is an abundant number, since it is smaller than the sum of its proper divisors (3208334946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100000996 is a wasteful number, since it uses less digits than its factorization.

2100000996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58333371 (or 58333366 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 2100000996 is about 45825.7678168080. The cubic root of 2100000996 is about 1280.5793674409.

The spelling of 2100000996 in words is "two billion, one hundred million, nine hundred ninety-six", and thus it is an aban number.