6675502381 has 2 divisors, whose sum is σ = 6675502382. Its totient is φ = 6675502380.

The previous prime is 6675502357. The next prime is 6675502423. The reversal of 6675502381 is 1832055766.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6418413225 + 257089156 = 80115^2 + 16034^2 .

It is a cyclic number.

It is not a de Polignac number, because 6675502381 - 2⁹ = 6675501869 is a prime.

It is a super-2 number, since 2×6675502381² = 89124664077473338322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6675508381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337751190 + 3337751191.

It is an arithmetic number, because the mean of its divisors is an integer number (3337751191).

Almost surely, 2^6675502381 is an apocalyptic number.

It is an amenable number.

6675502381 is a deficient number, since it is larger than the sum of its proper divisors (1).

6675502381 is an equidigital number, since it uses as much as digits as its factorization.

6675502381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 6675502381 is about 81703.7476557838. The cubic root of 6675502381 is about 1882.9031632524.

The spelling of 6675502381 in words is "six billion, six hundred seventy-five million, five hundred two thousand, three hundred eighty-one".