2109105069 has 16 divisors (see below), whose sum is σ = 2917488000. Its totient is φ = 1353675456.

The previous prime is 2109105041. The next prime is 2109105077. The reversal of 2109105069 is 9605019012.

It is not a de Polignac number, because 2109105069 - 2¹³ = 2109096877 is a prime.

It is a super-2 number, since 2×2109105069² = 8896648384162989522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109109069) 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, 4369 + ... + 65094.

It is an arithmetic number, because the mean of its divisors is an integer number (182343000).

Almost surely, 2^2109105069 is an apocalyptic number.

2109105069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2109105069 is a deficient number, since it is larger than the sum of its proper divisors (808382931).

2109105069 is a wasteful number, since it uses less digits than its factorization.

2109105069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69844.

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 2109105069 is about 45924.9939466518. The cubic root of 2109105069 is about 1282.4272524274.

The spelling of 2109105069 in words is "two billion, one hundred nine million, one hundred five thousand, sixty-nine".