1338183863 has 2 divisors, whose sum is σ = 1338183864. Its totient is φ = 1338183862.

The previous prime is 1338183839. The next prime is 1338183893. The reversal of 1338183863 is 3683818331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338183863 - 2⁶ = 1338183799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338183823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669091931 + 669091932.

It is an arithmetic number, because the mean of its divisors is an integer number (669091932).

Almost surely, 2^1338183863 is an apocalyptic number.

1338183863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338183863 is an equidigital number, since it uses as much as digits as its factorization.

1338183863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 1338183863 is about 36581.1954834721. The cubic root of 1338183863 is about 1101.9754757647.

The spelling of 1338183863 in words is "one billion, three hundred thirty-eight million, one hundred eighty-three thousand, eight hundred sixty-three".