6690675527 has 2 divisors, whose sum is σ = 6690675528. Its totient is φ = 6690675526.

The previous prime is 6690675491. The next prime is 6690675559. The reversal of 6690675527 is 7255760966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6690675527 - 2¹² = 6690671431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6690675727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345337763 + 3345337764.

It is an arithmetic number, because the mean of its divisors is an integer number (3345337764).

Almost surely, 2^6690675527 is an apocalyptic number.

6690675527 is a deficient number, since it is larger than the sum of its proper divisors (1).

6690675527 is an equidigital number, since it uses as much as digits as its factorization.

6690675527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The square root of 6690675527 is about 81796.5496032687. The cubic root of 6690675527 is about 1884.3286712488.

The spelling of 6690675527 in words is "six billion, six hundred ninety million, six hundred seventy-five thousand, five hundred twenty-seven".