1318829663 has 2 divisors, whose sum is σ = 1318829664. Its totient is φ = 1318829662.

The previous prime is 1318829647. The next prime is 1318829671. The reversal of 1318829663 is 3669288131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1318829663 - 2⁴ = 1318829647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1318829623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659414831 + 659414832.

It is an arithmetic number, because the mean of its divisors is an integer number (659414832).

Almost surely, 2^1318829663 is an apocalyptic number.

1318829663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318829663 is an equidigital number, since it uses as much as digits as its factorization.

1318829663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 47.

The square root of 1318829663 is about 36315.6944446888. The cubic root of 1318829663 is about 1096.6370190688.

The spelling of 1318829663 in words is "one billion, three hundred eighteen million, eight hundred twenty-nine thousand, six hundred sixty-three".