2100606845 has 8 divisors (see below), whose sum is σ = 2653398240. Its totient is φ = 1592038800.

The previous prime is 2100606829. The next prime is 2100606857. The reversal of 2100606845 is 5486060012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2100606845 - 2⁴ = 2100606829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11055731 + ... + 11055920.

It is an arithmetic number, because the mean of its divisors is an integer number (331674780).

Almost surely, 2^2100606845 is an apocalyptic number.

It is an amenable number.

2100606845 is a deficient number, since it is larger than the sum of its proper divisors (552791395).

2100606845 is a wasteful number, since it uses less digits than its factorization.

2100606845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22111675.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2100606845 is about 45832.3776930676. The cubic root of 2100606845 is about 1280.7025043875.

Adding to 2100606845 its reverse (5486060012), we get a palindrome (7586666857).

The spelling of 2100606845 in words is "two billion, one hundred million, six hundred six thousand, eight hundred forty-five".