2106404641 has 8 divisors (see below), whose sum is σ = 2330261568. Its totient is φ = 1887942000.

The previous prime is 2106404611. The next prime is 2106404659. The reversal of 2106404641 is 1464046012.

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

It is a cyclic number.

It is not a de Polignac number, because 2106404641 - 2¹⁵ = 2106371873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106404611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347750 + ... + 1349311.

It is an arithmetic number, because the mean of its divisors is an integer number (291282696).

Almost surely, 2^2106404641 is an apocalyptic number.

It is an amenable number.

2106404641 is a deficient number, since it is larger than the sum of its proper divisors (223856927).

2106404641 is a wasteful number, since it uses less digits than its factorization.

2106404641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697143.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2106404641 is about 45895.5841121997. The cubic root of 2106404641 is about 1281.8796929313.

The spelling of 2106404641 in words is "two billion, one hundred six million, four hundred four thousand, six hundred forty-one".