6549481363 has 2 divisors, whose sum is σ = 6549481364. Its totient is φ = 6549481362.

The previous prime is 6549481361. The next prime is 6549481427. The reversal of 6549481363 is 3631849456.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6549481363 - 2¹ = 6549481361 is a prime.

It is a super-2 number, since 2×6549481363² = 85791412248568675538, which contains 22 as substring.

Together with 6549481361, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6549481361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3274740681 + 3274740682.

It is an arithmetic number, because the mean of its divisors is an integer number (3274740682).

Almost surely, 2^6549481363 is an apocalyptic number.

6549481363 is a deficient number, since it is larger than the sum of its proper divisors (1).

6549481363 is an equidigital number, since it uses as much as digits as its factorization.

6549481363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The square root of 6549481363 is about 80928.8660676770. The cubic root of 6549481363 is about 1870.9792466182.

The spelling of 6549481363 in words is "six billion, five hundred forty-nine million, four hundred eighty-one thousand, three hundred sixty-three".