7675138309 has 2 divisors, whose sum is σ = 7675138310. Its totient is φ = 7675138308.

The previous prime is 7675138283. The next prime is 7675138319. The reversal of 7675138309 is 9038315767.

7675138309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3972780900 + 3702357409 = 63030^2 + 60847^2 .

It is a cyclic number.

It is not a de Polignac number, because 7675138309 - 2¹³ = 7675130117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7675138319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3837569154 + 3837569155.

It is an arithmetic number, because the mean of its divisors is an integer number (3837569155).

Almost surely, 2^7675138309 is an apocalyptic number.

It is an amenable number.

7675138309 is a deficient number, since it is larger than the sum of its proper divisors (1).

7675138309 is an equidigital number, since it uses as much as digits as its factorization.

7675138309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 7675138309 is about 87607.8667072769. The cubic root of 7675138309 is about 1972.5532534939.

The spelling of 7675138309 in words is "seven billion, six hundred seventy-five million, one hundred thirty-eight thousand, three hundred nine".