6413764249 has 2 divisors, whose sum is σ = 6413764250. Its totient is φ = 6413764248.

The previous prime is 6413764219. The next prime is 6413764277. The reversal of 6413764249 is 9424673146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3902251024 + 2511513225 = 62468^2 + 50115^2 .

It is a cyclic number.

It is not a de Polignac number, because 6413764249 - 2¹⁵ = 6413731481 is a prime.

It is a super-2 number, since 2×6413764249² = 82272743683501068002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6413764199 and 6413764208.

It is not a weakly prime, because it can be changed into another prime (6413764219) 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, 3206882124 + 3206882125.

It is an arithmetic number, because the mean of its divisors is an integer number (3206882125).

Almost surely, 2^6413764249 is an apocalyptic number.

It is an amenable number.

6413764249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6413764249 is an equidigital number, since it uses as much as digits as its factorization.

6413764249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 46.

The square root of 6413764249 is about 80085.9803523688. The cubic root of 6413764249 is about 1857.9655800822.

The spelling of 6413764249 in words is "six billion, four hundred thirteen million, seven hundred sixty-four thousand, two hundred forty-nine".