3975389347 has 2 divisors, whose sum is σ = 3975389348. Its totient is φ = 3975389346.

The previous prime is 3975389309. The next prime is 3975389351. The reversal of 3975389347 is 7439835793.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3975389347 - 2⁷ = 3975389219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3975389291 and 3975389300.

It is not a weakly prime, because it can be changed into another prime (3975389147) 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, 1987694673 + 1987694674.

It is an arithmetic number, because the mean of its divisors is an integer number (1987694674).

Almost surely, 2^3975389347 is an apocalyptic number.

3975389347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3975389347 is an equidigital number, since it uses as much as digits as its factorization.

3975389347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17146080, while the sum is 58.

The square root of 3975389347 is about 63050.6887115438. The cubic root of 3975389347 is about 1584.1387708480.

The spelling of 3975389347 in words is "three billion, nine hundred seventy-five million, three hundred eighty-nine thousand, three hundred forty-seven".