1318666099 has 2 divisors, whose sum is σ = 1318666100. Its totient is φ = 1318666098.

The previous prime is 1318666093. The next prime is 1318666103. The reversal of 1318666099 is 9906668131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1318666099 - 2³ = 1318666091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1318666091) 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, 659333049 + 659333050.

It is an arithmetic number, because the mean of its divisors is an integer number (659333050).

Almost surely, 2^1318666099 is an apocalyptic number.

1318666099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318666099 is an equidigital number, since it uses as much as digits as its factorization.

1318666099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1318666099 is about 36313.4424008521. The cubic root of 1318666099 is about 1096.5916814592.

The spelling of 1318666099 in words is "one billion, three hundred eighteen million, six hundred sixty-six thousand, ninety-nine".