1382018663 has 4 divisors (see below), whose sum is σ = 1382309568. Its totient is φ = 1381727760.

The previous prime is 1382018647. The next prime is 1382018669. The reversal of 1382018663 is 3668102831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1382018663 - 2⁴ = 1382018647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382018669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138206 + ... + 147867.

It is an arithmetic number, because the mean of its divisors is an integer number (345577392).

Almost surely, 2^1382018663 is an apocalyptic number.

1382018663 is a deficient number, since it is larger than the sum of its proper divisors (290905).

1382018663 is an equidigital number, since it uses as much as digits as its factorization.

1382018663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290904.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1382018663 is about 37175.5116037426. The cubic root of 1382018663 is about 1113.8788795382.

The spelling of 1382018663 in words is "one billion, three hundred eighty-two million, eighteen thousand, six hundred sixty-three".