2100768604 has 18 divisors (see below), whose sum is σ = 4040942192. Its totient is φ = 954894600.

The previous prime is 2100768587. The next prime is 2100768617. The reversal of 2100768604 is 4068670012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100768604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2169732 + ... + 2170699.

Almost surely, 2^2100768604 is an apocalyptic number.

It is an amenable number.

2100768604 is a deficient number, since it is larger than the sum of its proper divisors (1940173588).

2100768604 is a wasteful number, since it uses less digits than its factorization.

2100768604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340457 (or 4340444 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2100768604 is about 45834.1423395268. The cubic root of 2100768604 is about 1280.7353774022.

The spelling of 2100768604 in words is "two billion, one hundred million, seven hundred sixty-eight thousand, six hundred four".