2103847069 has 4 divisors (see below), whose sum is σ = 2124677340. Its totient is φ = 2083016800.

The previous prime is 2103847043. The next prime is 2103847091. The reversal of 2103847069 is 9607483012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1225910169 + 877936900 = 35013^2 + 29630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2103847069 - 2²³ = 2095458461 is a prime.

It is a super-2 number, since 2×2103847069² = 8852344979479781522, 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 (2103847169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10414984 + ... + 10415185.

It is an arithmetic number, because the mean of its divisors is an integer number (531169335).

Almost surely, 2^2103847069 is an apocalyptic number.

It is an amenable number.

2103847069 is a deficient number, since it is larger than the sum of its proper divisors (20830271).

2103847069 is a wasteful number, since it uses less digits than its factorization.

2103847069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20830270.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2103847069 is about 45867.7127073064. The cubic root of 2103847069 is about 1281.3606683420.

The spelling of 2103847069 in words is "two billion, one hundred three million, eight hundred forty-seven thousand, sixty-nine".