1338427543 has 2 divisors, whose sum is σ = 1338427544. Its totient is φ = 1338427542.

The previous prime is 1338427471. The next prime is 1338427547. The reversal of 1338427543 is 3457248331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1338427543 - 2²⁹ = 801556631 is a prime.

It is a super-2 number, since 2×1338427543² = 3582776575722033698, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1338427496 and 1338427505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338427547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669213771 + 669213772.

It is an arithmetic number, because the mean of its divisors is an integer number (669213772).

Almost surely, 2^1338427543 is an apocalyptic number.

1338427543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338427543 is an equidigital number, since it uses as much as digits as its factorization.

1338427543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 40.

The square root of 1338427543 is about 36584.5260048562. The cubic root of 1338427543 is about 1102.0423607156.

The spelling of 1338427543 in words is "one billion, three hundred thirty-eight million, four hundred twenty-seven thousand, five hundred forty-three".