2005106369 has 4 divisors (see below), whose sum is σ = 2291550144. Its totient is φ = 1718662596.

The previous prime is 2005106359. The next prime is 2005106399. The reversal of 2005106369 is 9636015002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2005106369 - 2⁸ = 2005106113 is a prime.

It is a super-2 number, since 2×2005106369² = 8040903102008728322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2005106329) 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, 143221877 + ... + 143221890.

It is an arithmetic number, because the mean of its divisors is an integer number (572887536).

Almost surely, 2^2005106369 is an apocalyptic number.

It is an amenable number.

2005106369 is a deficient number, since it is larger than the sum of its proper divisors (286443775).

2005106369 is an equidigital number, since it uses as much as digits as its factorization.

2005106369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286443774.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 2005106369 is about 44778.4140965265. The cubic root of 2005106369 is about 1260.9924089177.

The spelling of 2005106369 in words is "two billion, five million, one hundred six thousand, three hundred sixty-nine".