6696554251 has 2 divisors, whose sum is σ = 6696554252. Its totient is φ = 6696554250.

The previous prime is 6696554243. The next prime is 6696554279. The reversal of 6696554251 is 1524556966.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6696554251 - 2³ = 6696554243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6696554195 and 6696554204.

It is not a weakly prime, because it can be changed into another prime (6696554651) 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, 3348277125 + 3348277126.

It is an arithmetic number, because the mean of its divisors is an integer number (3348277126).

Almost surely, 2^6696554251 is an apocalyptic number.

6696554251 is a deficient number, since it is larger than the sum of its proper divisors (1).

6696554251 is an equidigital number, since it uses as much as digits as its factorization.

6696554251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 49.

The square root of 6696554251 is about 81832.4767497599. The cubic root of 6696554251 is about 1884.8803945809.

The spelling of 6696554251 in words is "six billion, six hundred ninety-six million, five hundred fifty-four thousand, two hundred fifty-one".