1366649299 has 2 divisors, whose sum is σ = 1366649300. Its totient is φ = 1366649298.

The previous prime is 1366649287. The next prime is 1366649327. The reversal of 1366649299 is 9929466631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366649299 - 2⁷ = 1366649171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1366649209) 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, 683324649 + 683324650.

It is an arithmetic number, because the mean of its divisors is an integer number (683324650).

Almost surely, 2^1366649299 is an apocalyptic number.

1366649299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366649299 is an equidigital number, since it uses as much as digits as its factorization.

1366649299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3779136, while the sum is 55.

The square root of 1366649299 is about 36968.2201221536. The cubic root of 1366649299 is about 1109.7343462420.

The spelling of 1366649299 in words is "one billion, three hundred sixty-six million, six hundred forty-nine thousand, two hundred ninety-nine".