2106608469 has 16 divisors (see below), whose sum is σ = 3210711168. Its totient is φ = 1203535872.

The previous prime is 2106608467. The next prime is 2106608477. The reversal of 2106608469 is 9648066012.

It is not a de Polignac number, because 2106608469 - 2¹ = 2106608467 is a prime.

It is a super-2 number, since 2×2106608469² = 8875598483325047922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2106608469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106608467) 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, 201909 + ... + 212085.

It is an arithmetic number, because the mean of its divisors is an integer number (200669448).

Almost surely, 2^2106608469 is an apocalyptic number.

It is an amenable number.

2106608469 is a deficient number, since it is larger than the sum of its proper divisors (1104102699).

2106608469 is a wasteful number, since it uses less digits than its factorization.

2106608469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20044.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 2106608469 is about 45897.8046207005. The cubic root of 2106608469 is about 1281.9210389832.

The spelling of 2106608469 in words is "two billion, one hundred six million, six hundred eight thousand, four hundred sixty-nine".