6275385869 has 2 divisors, whose sum is σ = 6275385870. Its totient is φ = 6275385868.

The previous prime is 6275385847. The next prime is 6275385881. The reversal of 6275385869 is 9685835726.

6275385869 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., 3331021225 + 2944364644 = 57715^2 + 54262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6275385869 is a prime.

It is a super-2 number, since 2×6275385869² = 78760935609689770322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6275385829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3137692934 + 3137692935.

It is an arithmetic number, because the mean of its divisors is an integer number (3137692935).

Almost surely, 2^6275385869 is an apocalyptic number.

It is an amenable number.

6275385869 is a deficient number, since it is larger than the sum of its proper divisors (1).

6275385869 is an equidigital number, since it uses as much as digits as its factorization.

6275385869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21772800, while the sum is 59.

The square root of 6275385869 is about 79217.3331348639. Note that the first 3 decimals coincide. The cubic root of 6275385869 is about 1844.5063094496.

The spelling of 6275385869 in words is "six billion, two hundred seventy-five million, three hundred eighty-five thousand, eight hundred sixty-nine".