2106479999 has 16 divisors (see below), whose sum is σ = 2310727104. Its totient is φ = 1908403200.

The previous prime is 2106479993. The next prime is 2106480023. The reversal of 2106479999 is 9999746012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2106479999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106479993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396239 + ... + 401519.

It is an arithmetic number, because the mean of its divisors is an integer number (144420444).

Almost surely, 2^2106479999 is an apocalyptic number.

2106479999 is a deficient number, since it is larger than the sum of its proper divisors (204247105).

2106479999 is a wasteful number, since it uses less digits than its factorization.

2106479999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The square root of 2106479999 is about 45896.4050770864. The cubic root of 2106479999 is about 1281.8949794430.

The spelling of 2106479999 in words is "two billion, one hundred six million, four hundred seventy-nine thousand, nine hundred ninety-nine".