1318886363 has 2 divisors, whose sum is σ = 1318886364. Its totient is φ = 1318886362.

The previous prime is 1318886347. The next prime is 1318886407. The reversal of 1318886363 is 3636888131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1318886363 - 2⁴ = 1318886347 is a prime.

It is a super-2 number, since 2×1318886363² = 3478922477014735538, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1318886663) 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, 659443181 + 659443182.

It is an arithmetic number, because the mean of its divisors is an integer number (659443182).

Almost surely, 2^1318886363 is an apocalyptic number.

1318886363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1318886363 is an equidigital number, since it uses as much as digits as its factorization.

1318886363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 1318886363 is about 36316.4750905150. The cubic root of 1318886363 is about 1096.6527346257.

The spelling of 1318886363 in words is "one billion, three hundred eighteen million, eight hundred eighty-six thousand, three hundred sixty-three".