2104189907 has 4 divisors (see below), whose sum is σ = 2153124600. Its totient is φ = 2055255216.

The previous prime is 2104189847. The next prime is 2104189921. The reversal of 2104189907 is 7099814012.

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

It is a cyclic number.

It is not a de Polignac number, because 2104189907 - 2¹⁰ = 2104188883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104189957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24467282 + ... + 24467367.

It is an arithmetic number, because the mean of its divisors is an integer number (538281150).

Almost surely, 2^2104189907 is an apocalyptic number.

2104189907 is a deficient number, since it is larger than the sum of its proper divisors (48934693).

2104189907 is an equidigital number, since it uses as much as digits as its factorization.

2104189907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48934692.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 2104189907 is about 45871.4498026823. The cubic root of 2104189907 is about 1281.4302670745.

The spelling of 2104189907 in words is "two billion, one hundred four million, one hundred eighty-nine thousand, nine hundred seven".