2105372869 has 8 divisors (see below), whose sum is σ = 2139988032. Its totient is φ = 2070895680.

The previous prime is 2105372809. The next prime is 2105372887. The reversal of 2105372869 is 9682735012.

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 2105372869 - 2⁷ = 2105372741 is a prime.

It is a super-2 number, since 2×2105372869² = 8865189835042582322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105372809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3499 + ... + 64984.

It is an arithmetic number, because the mean of its divisors is an integer number (267498504).

Almost surely, 2^2105372869 is an apocalyptic number.

It is an amenable number.

2105372869 is a deficient number, since it is larger than the sum of its proper divisors (34615163).

2105372869 is an equidigital number, since it uses as much as digits as its factorization.

2105372869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68987.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2105372869 is about 45884.3423075890. The cubic root of 2105372869 is about 1281.6703593656.

The spelling of 2105372869 in words is "two billion, one hundred five million, three hundred seventy-two thousand, eight hundred sixty-nine".