1338425863 has 2 divisors, whose sum is σ = 1338425864. Its totient is φ = 1338425862.

The previous prime is 1338425849. The next prime is 1338425903. The reversal of 1338425863 is 3685248331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1338425863 - 2⁵ = 1338425831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338425813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669212931 + 669212932.

It is an arithmetic number, because the mean of its divisors is an integer number (669212932).

Almost surely, 2^1338425863 is an apocalyptic number.

1338425863 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338425863 is an equidigital number, since it uses as much as digits as its factorization.

1338425863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 43.

The square root of 1338425863 is about 36584.5030443219. The cubic root of 1338425863 is about 1102.0418996193.

The spelling of 1338425863 in words is "one billion, three hundred thirty-eight million, four hundred twenty-five thousand, eight hundred sixty-three".