2875138109 has 2 divisors, whose sum is σ = 2875138110. Its totient is φ = 2875138108.

The previous prime is 2875138099. The next prime is 2875138129. The reversal of 2875138109 is 9018315782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1799626084 + 1075512025 = 42422^2 + 32795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2875138109 - 2⁴ = 2875138093 is a prime.

It is a super-3 number, since 3×2875138109³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2875138109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2875138129) 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 as a sum of consecutive naturals, namely, 1437569054 + 1437569055.

It is an arithmetic number, because the mean of its divisors is an integer number (1437569055).

Almost surely, 2^2875138109 is an apocalyptic number.

It is an amenable number.

2875138109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2875138109 is an equidigital number, since it uses as much as digits as its factorization.

2875138109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 2875138109 is about 53620.3143314173. The cubic root of 2875138109 is about 1421.9562584670.

The spelling of 2875138109 in words is "two billion, eight hundred seventy-five million, one hundred thirty-eight thousand, one hundred nine".